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UPSC IES Mains Examination 2024: Latest Update

The UPSC IES Prelims exam will be held on 18th February 2024 in two shifts. The UPSC IES Notification 2024 had been released on 6th September 2023. A total of 167 vacancies have been announced for recruitment through the UPSC ESE 2024. The individuals who clear the preliminary examination will be eligible to appear for the Main Examination to be organized on 23 June 2024.

INDIAN ENGINEERING SERVICES (IES) EXAM

SYLLABUS OF CIVIL ENGINEERING

Paper I

Topic	Topic Description	Weightage
Building Materials	Stone, Lime, Glass, Plastics, Steel, FRP, Ceramics, Aluminum, Fly Ash, Basic Admixtures, Timber, Bricks and Aggregates: Classification, properties and selection criteria; Cement: Types, Composition, Properties, Uses, Specifications and various Tests; Lime & Cement Mortars and Concrete: Properties and various Tests; Design of Concrete Mixes: Proportioning of aggregates and methods of mix design	5 Out of 8 Questions
Solid Mechanics	Elastic constants, Stress, plane stress, Strains, plane strain, Mohr’s circle of stress and strain, Elastic theories of failure, Principal Stresses, Bending, Shear and Torsion.
Structural Analysis	Basics of strength of materials, Types of stresses and strains, Bending moments and shear force, concept of bending and shear stresses; Analysis of determinate and indeterminate structures; Trusses, beams, plane frames; Rolling loads, Influence Lines, Unit load method & other methods; Free and Forced vibrations of single degree and multi degree freedom system; Suspended Cables; Concepts and use of Computer Aided Design.
Design of Steel Structures	Principles of Working Stress methods, Design of tension and compression members, Design of beams and beam column connections, built-up sections, Girders, Industrial roofs, Principles of Ultimate load design.
Design of Concrete and Masonry structures	Limit state design for bending, shear, axial compression and combined forces; Design of beams, Slabs, Lintels, Foundations, Retaining walls, Tanks, Staircases; Principles of pre-stressed concrete design including materials and methods; Earthquake resistant design of structures; Design of Masonry Structure.
Construction Practice Planning and Management	Construction - Planning, Equipment, Site investigation and Management including Estimation with the latest project management tools and network analysis for different Types of works; Analysis of Rates of various types of works; Tendering Process and Contract Management, Quality Control, Productivity, Operation Cost; Land acquisition; Labour safety and welfare.

Paper II

Topic	Topic Description	Weightage
Flow of Fluids, Hydraulic Machines and Hydro Power	(a) Fluid Mechanics, Open Channel Flow, Pipe Flow: Fluid properties; Dimensional Analysis and Modeling; Fluid dynamics including flow kinematics and measurements; Flow net; Viscosity, Boundary layer and control, Drag, Lift, Principles in open channel flow, Flow controls. Hydraulic jump; Surges; Pipe networks	5 Out of 8 Questions
	(b) Hydraulic Machines and Hydro power : Various pumps, Air vessels, Hydraulic turbines - types, classifications & performance parameters; Power house-classification and layout, storage, pondage, control of supply.
Hydrology and Water Resources Engineering	Hydrological cycle, Ground water hydrology, Well hydrology and related data analysis; Streams and their gauging; River morphology; Flood, drought and their management; Capacity of Reservoirs
	Water Resources Engineering : Multipurpose uses of Water, River basins and their potential; Irrigation systems, water demand assessment; Resources - storages and their yields; Water logging, canal and drainage design, Gravity dams, falls, weirs, Energy dissipaters, barrage Distribution works, Cross drainage works and head-works and their design; Concepts in canal design, construction & maintenance; River training, measurement and analysis of rainfall
Environmental Engineering	(a) Water Supply Engineering: Sources, Estimation, quality standards and testing of water and their treatment; Rural, Institutional and industrial water supply; Physical, chemical and biological characteristics and sources of water, Pollutants in water and its effects, Estimation of water demand; Drinking water Standards, Water Treatment Plants, Water distribution networks.
	(b) Waste Water Engineering: Planning & design of domestic waste water, sewage collection and disposal; Plumbing Systems. Components and layout of sewerage system; Planning & design of Domestic Wastewater disposal system; Sludge management including treatment, disposal and re-use of treated effluents; Industrial waste waters and Effluent Treatment Plants including institutional and industrial sewage management
	(c) Solid Waste Management: Sources & classification of solid wastes along with planning & design of its management system; Disposal system, Beneficial aspects of wastes and Utilization by Civil Engineers.
	(d) Air, Noise pollution and Ecology: Concepts & general methodology.
Geo-technical Enginee

...

Format

UPSC IES Mains Examination 2024: Latest Update

UPSC IES MAINS EXAM PATTERN

The Mains / Stage- II Examination will consist two conventional type papers in Engineering Discipline specific with duration of three hours and maximum marks of 600.(300 Marks in each paper)

The section wise distribution of Questions and Marks for various Engineering disciplines is given below :-

Category - I Civil Engineering

Test Mode	Name of Test	No. of Questions	Maximum Marks	Duration
Descriptive Type Offline Pen & Paper Based Test	Paper - I (Civil Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Paper- II (Civil Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Total	10 Q	600 Marks	360 Minutes

Category - II Mechanical Engineering

Test Mode	Name of Test	No. of Questions	Maximum Marks	Duration
Descriptive Type Offline Pen & Paper Based Test	Paper -I (Mechanical Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Paper -II (Mechanical Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Total	10 Q	600 Marks	360 Minutes

Category - III Electrical Engineering

Test Mode	Name of Test	No. of Questions	Maximum Marks	Duration
Descriptive Type Offline Pen & Paper Based Test	Paper -I (Electrical Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Paper - II (Electrical Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Total	10 Q	600 Marks	360 Minutes

Category - IV Electronics and Telecommunication Engineering

Test Mode	Name of Test	No. of Questions	Maximum Marks	Duration
Descriptive Type Offline Pen & Paper Based Test	Paper -I (Electronics & Telecommunication Engineering)	5 out of 8 Q	5 x 60 = 300 Marks

...

UPSC IES Mains Examination 2024: Latest Update

UPSC IES MAINS EXAM PATTERN

The Mains / Stage- II Examination will consist two conventional type papers in Engineering Discipline specific with duration of three hours and maximum marks of 600.(300 Marks in each paper)

The section wise distribution of Questions and Marks for various Engineering disciplines is given below :-

Category - I Civil Engineering

Test Mode	Name of Test	No. of Questions	Maximum Marks	Duration
Descriptive Type Offline Pen & Paper Based Test	Paper - I (Civil Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Paper- II (Civil Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Total	10 Q	600 Marks	360 Minutes

Category - II Mechanical Engineering

Test Mode	Name of Test	No. of Questions	Maximum Marks	Duration
Descriptive Type Offline Pen & Paper Based Test	Paper -I (Mechanical Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Paper -II (Mechanical Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Total	10 Q	600 Marks	360 Minutes

Category - III Electrical Engineering

Test Mode	Name of Test	No. of Questions	Maximum Marks	Duration
Descriptive Type Offline Pen & Paper Based Test	Paper -I (Electrical Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Paper - II (Electrical Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Total	10 Q	600 Marks	360 Minutes

Category - IV Electronics and Telecommunication Engineering

Test Mode	Name of Test	No. of Questions	Maximum Marks	Duration
Descriptive Type Offline Pen & Paper Based Test	Paper -I (Electronics & Telecommunication Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Paper -II (Electronics & Telecommunication Engineering)	5 out of 8 Q	5 x 60 = 300 Marks	180 Minutes
	Total	10 Q	600 Marks	360 Minutes

UPSC IES MAINS MODE OF EXAMINATION

The IES Mains Examination shall be held as an Offline Pen & Paper Based Test. The questions shall be Descriptive in nature (Conventional Type Papers).

UPSC IES MAINS MEDIUM OF EXAMINATION

Conventional papers must be answered in English. Question paper will be set in English only.

UPSC IES MAINS MARKING SCHEME

1. Each question will carry 60 marks.

2. Overall, 5 out of 8 questions have to be attempted by the candidate.

3. There is no negative marking in Mains/ Stage-II Examination.

INDIAN ENGINEERING SERVICES (IES) PERSONALITY TEST

1. Candidates who obtain such minimum qualifying marks in the Stage-I: Engineering Services (Preliminary/ Stage-I) and Stage-II: Engineering Services (Main/ Stage-II) Examination as may be fixed by the Commission as per its discretion, shall be summoned by them for Stage-III (Personality Test).

2. The number of candidates to be summoned for Personality Test will be about twice the number of vacancies to be filled. The Personality Test will carry 200 marks (with no minimum qualifying marks).

3. Marks obtained by the candidates in the Stage-I: (Preliminary/ Stage-I) Examination, Stage-II:(Main/ Stage-II) Examination and Stage-III (Personality Test) would determine their final ranking.

INDIAN ENGINEERING SERVICES (IES) FAST FACTS

1. Acronym - IES

2. Year Started - 1951

3. Conducting Body/ Administrator - Union Public Service Commission (UPSC)

4. Exam Purpose - Selection of candidates as technical officers of the Republic of India

5. Exam Mode - Offline Objective Type Pen & Paper Based Test

6. Stages - Prelims, Mains, Personal Interview & Medical Examination

7. Offered - Once a Year

IMPORTANT LINKS:

For Official Website: Click here

For Official Notification: Click here

For Examination Calender 2024: Click here

Eligibility

UPSC IES Mains Examination 2024: Latest Update

INDIAN ENGINEERING SERVICES (IES) Eligibility

Candidates willing to apply for Indian Engineering Services (IES) Examination are required to fulfil certain conditions to be eligible for it. The candidate who does not satisfy the Eligibility criteria like Age, Minimum educational qualification etc., their candidature shall be rejected by the authorities. The criteria for eligibility Indian Engineering Services (IES) are decided by the conduction body itself. The candidate’s eligibility for Indian Engineering Services (IES) Examination is based on the fulfilment of the following conditions:-

1. Nationality

2. Age Limit & Relaxations

3. Educational Qualifications

4. Medical Examination

5. Physical Standards

INDIAN ENGINEERING SERVICES (IES) NATIONALITY

A candidate must be either:-

1. a citizen of India; or

2. a subject of Nepal; or

3. a subject of Bhutan; or

4. a Tibetan refugee who came over to India, before the 1st January 1962, with the intention of permanently settling in India; or

5. a person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka, East African countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire and Ethiopia or Vietnam with the intention of permanently settling in India.

Provided that a candidate belonging to categories (2), (3), (4) & (5) above shall be a person in whose favour a certificate of eligibility has been issues by the Government of India.

Note :- A candidate in whose case a certificate of eligibility is necessary, may be admitted to the examination, but the offer of appointment may be given only after the necessary eligibility certificate has been issued to him/her by the Government of India.

INDIAN ENGINEERING SERVICES (IES) AGE LIMIT & RELAXATIONS

1. A candidate for this examination must have attained the age of 21 years and must not have attained the age of 30 years .

2. The upper age limit of 30 Years will be relaxable upto 35 years in the case of Government servants of the following categories, if they are employed in a Department/ Office under the control of any of the authorities mentioned in the Column 1 below and apply for admission to the examination for all or any of the Service(s)/ Post(s) mentioned in the Column 2, for which they are otherwise eligible.

3. A candidate who holds substantively a permanent post in the particular Department/ Office concerned. This relaxation will not be admissible to the probationer appointed against a permanent post in the Department/ Office during the period of his probation. However, this relaxation will admissible to the probationer so appointed provided he/she already retains a lien on a permanent post in Department/ Office under the control of any of the authorities mentioned in Column 1 below.

4. A candidate who has been continuously in a temporary service on a regular basis in the particular Department/ Office for at least 3 years on the Department/Office under the control of the authorities mentioned in the below table:

Column 1	Column 2
Ministry of Railways (Railway Board)	I.R.S.E/I.R.S.M.E/I.R.S.E.E./I.R.S.S.E./I.R.S.S.
Central Public Works Department	C.E.S. Group ‘A’, CE&MES Gr ‘A’
Ministry of Road Transport and Highways	Central Engineering Service (Roads) Gr. ‘A’
Ministry of Communication, Deptt. of Telecommunication	Indian Radio Regulatory Service Group ‘A’ Indian Telecommunication Service Group ‘A’, J.T.O. (G.C.S. Gr. ‘B’)
Min of Defence, Deptt. of Defence Production, Directorate General of Aeronautical Quality Assurance	Defence Aeronautical Quality Assurance Service (DAQAS)Gr ‘A’
Min of Science and Technology, Deptt. of Science and Technology	Survey of India Gr ‘A’ Service
Geological Survey of India	Assistant Executive Engineer Gr ‘A’
Border Roads Organisation	BRES Gr. ‘A’
Indian Navy	Indian Naval Armament Service, Asstt. Naval Store Officer Grade-I
Military Engineer Services	Indian Defence Service of Engineers (lDSE) Group ‘A’ AEE(QS&C) in Military Engineer Service (MES) Surveyor Cadre
Min of Jal Shakti, Deptt. of Water Resources, River Development & Ganga Rejuvenation, Central Water Commission	Central Water Engineering Group-A Service
Central Electricity Authority	CPES Gr ‘A’ & CPES Gr ‘B’.
Ministry of Skill Development & Entrepreneurship	Indian Skill Development Service

Relaxation in upper age limit

Category	Years
Scheduled Caste or a Scheduled Tribe	5 Years
Other Backward Classes	3 Years
Candi

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UPSC IES Mains Examination 2024: Latest Update

INDIAN ENGINEERING SERVICES (IES) Eligibility

1. Nationality

2. Age Limit & Relaxations

3. Educational Qualifications

4. Medical Examination

5. Physical Standards

INDIAN ENGINEERING SERVICES (IES) NATIONALITY

A candidate must be either:-

1. a citizen of India; or

2. a subject of Nepal; or

3. a subject of Bhutan; or

4. a Tibetan refugee who came over to India, before the 1st January 1962, with the intention of permanently settling in India; or

Provided that a candidate belonging to categories (2), (3), (4) & (5) above shall be a person in whose favour a certificate of eligibility has been issues by the Government of India.

INDIAN ENGINEERING SERVICES (IES) AGE LIMIT & RELAXATIONS

1. A candidate for this examination must have attained the age of 21 years and must not have attained the age of 30 years .

Column 1	Column 2
Ministry of Railways (Railway Board)	I.R.S.E/I.R.S.M.E/I.R.S.E.E./I.R.S.S.E./I.R.S.S.
Central Public Works Department	C.E.S. Group ‘A’, CE&MES Gr ‘A’
Ministry of Road Transport and Highways	Central Engineering Service (Roads) Gr. ‘A’
Ministry of Communication, Deptt. of Telecommunication	Indian Radio Regulatory Service Group ‘A’ Indian Telecommunication Service Group ‘A’, J.T.O. (G.C.S. Gr. ‘B’)
Min of Defence, Deptt. of Defence Production, Directorate General of Aeronautical Quality Assurance	Defence Aeronautical Quality Assurance Service (DAQAS)Gr ‘A’
Min of Science and Technology, Deptt. of Science and Technology	Survey of India Gr ‘A’ Service
Geological Survey of India	Assistant Executive Engineer Gr ‘A’
Border Roads Organisation	BRES Gr. ‘A’
Indian Navy	Indian Naval Armament Service, Asstt. Naval Store Officer Grade-I
Military Engineer Services	Indian Defence Service of Engineers (lDSE) Group ‘A’ AEE(QS&C) in Military Engineer Service (MES) Surveyor Cadre
Min of Jal Shakti, Deptt. of Water Resources, River Development & Ganga Rejuvenation, Central Water Commission	Central Water Engineering Group-A Service
Central Electricity Authority	CPES Gr ‘A’ & CPES Gr ‘B’.
Ministry of Skill Development & Entrepreneurship	Indian Skill Development Service

Relaxation in upper age limit

Category	Years
Scheduled Caste or a Scheduled Tribe	5 Years
Other Backward Classes	3 Years
Candidate who has ordinarily been domiciled in the State of Jammu & Kashmir during the period from January 1, 1980, to December 31, 1989	5 Years
Defence Services Personnel disabled in operations during hostilities with any foreign country or in a disturbed area, and released as a consequence thereof.	Maximum of 3 years
Ex-servicemen, including Commissioned Officers and ECOs/ SSCOs who have rendered at least five years Military Service as on August 1	Maximum of 5 years
(a) blindness & low vision, (b) deaf & hard of hearing, (c) locomotor disability including cerebral palsy, leprosy cured, dwarfism, acid attack victims and muscular dystrophy, (d) autism, intellectual disability, specific learning disability and mental illness, (e) multiple disabilities from amongst person under clauses (a) to (d) including deaf-blindness.	Maximum of 10 years

INDIAN ENGINEERING SERVICES (IES) EDUCATIONAL QUALIFICATIONS

For admission to the examination, a candidate must have –

1. Educational Institutions established by an Act of Parliament or declared to be deemed as Universities under Section 3 of the University Grants Commission Act, 1956
OR
2. Passed Sections A and B of the Institution Examinations of the Institution of Engineers (India)
OR
3. Obtained a degree/diploma in Engineering from such foreign University/ College/ Institution and under such conditions as may be recognised by the Government for the purpose from time to time
OR
4. Passed Graduate Membership Examination of the Institution of Electronics and Telecommunication Engineers (India)
OR
5. Passed Associate Membership Examination Parts II and III/ Sections A and B of the Aeronautical Society of India.
OR
6. Passed Graduate Membership Examination of the Institution of Electronics and Radio Engineers, London held after November 1959

Provided that a candidate for the post of Indian Naval Armament Services (Electronics Engineering Posts) and Indian Radio Regulatory Services Group 'A' may possess any of the above qualifications or qualifications mentioned below namely:-

For Indian Naval Armament Services (Electronics Engg. Posts)

M.Sc. degree or its equivalent with Wireless Communication Electronics, Radio Physics or Radio Engineering as special subject.

For Indian Radio Regulatory Service Group ‘A'

M.Sc. degree or its equivalent with Wireless Communication Electronics, Radio Physics or Radio Engineering as a subject or Master’s Degree in Science with Physics and Radio Communication or Electronics or Telecommunication as a special subject.

INDIAN ENGINEERING SERVICES (IES) MEDICAL EXAMINATION

Candidates finally recommended by the Commission on the basis of Engineering Services Examination, shall be required to undergo medical examination.

1. Every candidate, on being finally recommended by Commission will be required to undergo medical examination as and when so decided by the Ministry of Railways (Railway Board) irrespective of the fact that he/she has appeared for such medical examination in the past and found fit/unfit on the basis of earlier examination.

2. The medical examination will be conducted at various Railway Hospitals under Ministry of Railways (Railway Board). The findings of the Railways Medical Board will be taken as final and binding for all allotment purposes.

UPSC INDIAN ENGINEERING SERVICES (IES) PHYSICAL STANDARDS

The Minimum standards, without which candidate cannot be accepted are as follows :-

For Height and Chest:-

Name of Services	Height	Chest girth fully expanded	Expansion
Railway Engineering Service (Civil, Electrical, Mechanical and Signal), Central Engineering Service Group A, CES (Roads), Central Electrical & Mechanical Engineering Service Group A in the C.P.W.D. Military Engineer services (IDSE) CWES, BRES. Gr. ‘A’ in Border Roads Organisation.
For Male Candidates	152 cm	84 cm	5 cm
For Female Candidates	150 cm	79 cm	5 cm

For distant and near vision with or without glasses :-

Service	Distant Vision		Near Vision
Service	Better Eye (Corrected Vision)	Worse Eye	Better Eye (Corrected Vision)	Worse Eye
A. Technical
Railway Engineering Service (Civil, Electrical, Mechanical and Signal)	6/6 or 6/9	6/12 or 6/9	J/ I	J/ II
Central Engineering Service Group A, Central Electrical and Mechanical Engineering Service Group A Central Water Engineering Service GroupA, Central Power Engineering Service Group A and Group ‘B’ Central Engineering Service (Roads), Group A Engineer Gr. ‘A’ in the Wireless Planning and Coordination Wing/ Monitoring Organisation Indian Telecommunication Service Gr. ‘A’, J.T.O Gr. B Assistant Executive Engineer, in P&T Building works (Gr. ‘A’) Service Indian Naval Armament Service. Indian Naval Stores Officer Indian Ordnance Factories Service Group A.	6/6 or 6/9	6/12 or 6/9	J/ I	J/ II
Assistant Executive Engineer (Group ‘A’) in theCorps of EME or or Military Engineer Service Group ‘A’. (IDSE), BRES Gr. ‘A’ in Border Roads Organisation	6/6 or 6/9	6/18 or 6/9	J/ I	J/ II
B. Non-Technical
Indian Railway Stores Service, Indian Supply Service. Group ‘A’	6/9	6/2	J/ I	J/ II

Note

1. In respect of the Technical Service mentioned at A above, the total amount of myopia (including the cylinder) shall not exceed—4,00 D. Total amount of Hypermetropia (including the cylinder) shall not exceed+400D.

2. In every case of myopia funds examination should be carried out and the results recorded. In the event of any pathological condition being present which is likely to be progressive and affect the efficiency of the candidate, he shall be declared unfit.

3. Radial Keratotomy/Laser Correction etc. shall be considered as a disqualification for appointment in Railway Technical Services (Civil, Mechanical, Electrical and Electronics). Permitted correction for conforming to prescribed visual standards is spectacles only.

For Colour perception

Grade	Higher Grade of colour perception	Lower Grade of colour perception
Distance between the lamp and the candidate	16 feet	16 feet
Size of aperture	1.3 mm	1.3 mm
Time of exposure	5 seconds	5 seconds

Note:- For the Railway Engineering Services (Civil, Electrical, Signal and Mechanical) and other service-connected with the safety of the public, a Higher grade of colour vision is essential but for others lower grade of colour, vision should be considered sufficient.

IMPORTANT LINKS:

For Official Website: Click here

For Official Notification: Click here

For Examination Calender 2024: Click here

Schedule

UPSC IES Mains Examination 2024: Latest Update

UPSC IES MAINS 2024 EXAM DATES

Events	Date
UPSC ESE Notification 2024	06th September 2023
Online Registration Starts	06th September 2023
Last Date to Apply Online	26th September 2023 (06 pm)
Last Date for Editing the Application	03th October 2023
Last Date for Printing Application	03th October 2023
UPSC ESE Admit Card 2024	to be notified
UPSC ESE Prelims Exam Date 2024	18th February 2024
UPSC ESE Mains Admit Card 2024	To be notified
UPSC ESE Mains Exam Date 2024	26th June 2024

UPSC IES MAINS 2023 EXAM DATES

Events	Dates
Notification	14 September 2022
Application form release date	14 September 2022
Last date to submit the form	4 October 2022
Prelims Admit Card release date	29 January - 18 February 2023
IES Prelims Exam Date	19 February 2023
IES Mains Exam Date	25 June 2023

UPSC IES MAINS 2022 EXAM DATES

Events	Dates
Notification	September 22, 2021
Application form release date	September 22, 2021
Last date to submit the form	October 12, 2021
Last date to pay the application fee	October 12, 2021

...

Analysis

UPSC IES Mains Examination 2024: Latest Update

Analysis for 26 June 2022

Mechanical Engineering

Per the UPSC ESE mains exam analysis, 2022 for Mechanical Engineering Thermodynamics carried 72 marks, and the Fluid mechanics carried 32 marks, while Powerplant Engineering had the highest percentage in the exam. The detailed subject-wise analysis for the ESE Mains exam shared below in the table.

S.No.	Subjects
1	Fluid Mechanics	Fluid Mechanics carried Easy numerical but lengthier, but this time FM carried less no. of questions asked
2	Thermodynamics	Questions from Thermodynamics were not so hard.
3	Heat transfer	Questions asked were lengthy and conceptual from Heat Transfer Theory and numerical had almost equal weightage in HMT
4	Refrigeration and Air conditioning	Theoretical questions were difficult; besides previous year trends, Numerical questions were tough.
5	I. C. Engines	There was less number of questions asked from IC Engines. Numerical based questions were asked from IC Engines.
6	Turbo Machinery.	Less number of questions asked. Turbomachinery questions were lengthier.
7	Power Plant Engg.	The paper was lengthy for the power plant portion. The numerical part was lengthy, and more than 50% portion was theoretical

Overall Difficulty Level Paper I

Subjects	Difficulty Level
Fluid Mechanics	Easy to Moderate
Thermodynamics	Moderate
Heat transfer	Moderate to Tough
Refrigeration and Air conditioning	Moderate to Tough
IC Engines	Easy to Moderate
Fluid Machinery	Easy to Moderate
Power Plant Engg.	Moderate to Tough

Paper - II

As per the UPSC ESE mains exam analysis, 2022 for Mechanical Engineering EM & Strength of materials carried 84 marks, and the Manufacturing, Industrial and Maintenance Engineering carried 148 marks, while Manufacturing, Industrial and Maintenance Engineering had the highest percentage in the exam.

Overall Difficulty Level Paper II

Subjects	Difficulty Level
Engineering Mechanics	Moderate
Mechanisms and Machines	Moderate
Design of Machine Elements	Moderate
Manufacturing, Industrial and Maintenance Engineering	Easy
Mechatronics and Robotics	Moderate

CIVIL ENGINEERING

Paper - I

As per the UPSC ESE Mains exam analysis, 2022 for Civil Engineering building materials carried 96 marks, and the strength of materials carried 44 marks, while Structural Analysis had the highest percentage in the exam.

Subjects	Difficulty Level
Building Materials	Easy

...

UPSC IES Mains Examination 2024: Latest Update

Analysis for 26 June 2022

Mechanical Engineering

S.No.	Subjects
1	Fluid Mechanics	Fluid Mechanics carried Easy numerical but lengthier, but this time FM carried less no. of questions asked
2	Thermodynamics	Questions from Thermodynamics were not so hard.
3	Heat transfer	Questions asked were lengthy and conceptual from Heat Transfer Theory and numerical had almost equal weightage in HMT
4	Refrigeration and Air conditioning	Theoretical questions were difficult; besides previous year trends, Numerical questions were tough.
5	I. C. Engines	There was less number of questions asked from IC Engines. Numerical based questions were asked from IC Engines.
6	Turbo Machinery.	Less number of questions asked. Turbomachinery questions were lengthier.
7	Power Plant Engg.	The paper was lengthy for the power plant portion. The numerical part was lengthy, and more than 50% portion was theoretical

Overall Difficulty Level Paper I

Subjects	Difficulty Level
Fluid Mechanics	Easy to Moderate
Thermodynamics	Moderate
Heat transfer	Moderate to Tough
Refrigeration and Air conditioning	Moderate to Tough
IC Engines	Easy to Moderate
Fluid Machinery	Easy to Moderate
Power Plant Engg.	Moderate to Tough

Paper - II

Overall Difficulty Level Paper II

Subjects	Difficulty Level
Engineering Mechanics	Moderate
Mechanisms and Machines	Moderate
Design of Machine Elements	Moderate
Manufacturing, Industrial and Maintenance Engineering	Easy
Mechatronics and Robotics	Moderate

CIVIL ENGINEERING

Paper - I

Subjects	Difficulty Level
Building Materials	Easy
Strength of Materials	Moderate
Structural Analysis	Moderate
Design of Steel Structures	Moderate
Design of Concrete & Masonry structures	Moderate
Construction Practice, Planning and Mgmt.	Moderate
Engineering Mechanics	Moderate

Paper - II

ESE Mains 2022 for Civil Engineering has been successfully conducted in the evening shift, i.e. from 2 PM to 5 PM, and this time, the major subjects & their weightage were: the fluid mechanics carried 47 marks, and the Geotechnical Engineering carried 86 marks, while Environmental Engineering had the highest percentage in the paper.

Subjects	Difficulty Level
Fluid Mechanics	Hard
Open Channel flow	Easy
Hydraulic Machines	Easy
Geotechnical Engineering	Moderate
Railway, Airport and Tunnelling	Moderate
Environmental Engineering	Moderate
Surveying	Hard

Analysis for 21 November 2021

CIVIL ENGINEERING

Paper - I

The overall difficulty level of ESE Mains Civil Paper 1 is moderate. Some questions are quite tricky & from unconventional areas.

Civil Engineering Paper-I
Subjects	Difficulty Level	Marks in 2021
Building Materials	Easy	10.83
Strength of Materials	Moderate	13.34
Structural Analysis	Moderate	20
Design of Steel Structures	Moderate	10.83
Design of Concrete & Masonry structures	Moderate	30
Construction Practice, Planning and Mgmt.	Moderate	10.83
Engineering Mechanics	Moderate	4.17

Paper - II

The overall difficulty level of ESE Mains Civil Paper 2 is moderate. Questions are conceptual.

Civil Engineering Paper-II
Subjects	Difficulty Level	Marks in 2021
Fluid Mechanics	Hard	76
Open Channel flow	Easy	10
Hydraulic Machines	Easy	20
Geotechnical Engineering	Moderate	104
Railway, Airport and Tunnelling	Moderate	52
Environmental Engineering	Moderate	84
Surveying	Hard	52

ELECTRONICS & TELECOMMUNICATION ENGINEERING

Paper - I

1. Questions from Network Theory composed a major portion of questions in Paper -1 with a weightage of 126 marks. The level of questions asked from Network Theory was Easy to Moderate.

2. As per reviews shared by candidates the level of the Question paper was Easy to Moderate.

Electronics Engineering Paper-I
S.NO.	Subjects	Difficulty Level
1	Basic Electronics Engineering	Hard
2	Basic Electronics engineering	Easy
3	Material Science	Moderate
4	Electronic Measurement and Instrumentation	Moderate
5	Network Theory	Easy
6	Digital Circuits	Hard
7	Analog Circuit	Moderate

Paper - II

1. Questions from Analog and Digital Communication Systems composed a major portion of questions in Paper -2 with a weightage of 120 marks. The level of questions asked from these subjects was an easy bit lengthy.

2. As per reviews shared by candidates the level of Question paper was Moderate to Tough

Electronics Engineering Paper-II
S.NO.	Subjects	Difficulty Level
1	Control System	Moderate
2	Electro Magnetics	Easy
3	Analog and Digital Communication Systems	Moderate
4	Advanced Communication Topics	Moderate
5	Computer organisation	Easy
6	Microprocessor	Hard

MECHANICAL ENGINEERING

Paper - I

1. Questions from Powerplant Engineering composed a major portion of questions in Paper -1 with a weightage of 112 marks. The level of questions asked from Power plant engineering was Moderate.

2. As per reviews shared by candidates the level of Question paper was Easy to Moderate.

3. Most of the famous derivations were directly asked in the examination like " Deduce an expression for maximum temperature in a slab.

Mechanical Engineering Paper-I
Subjects	Difficulty Level	Marks in 2021
Fluid Mechanics	Moderate	52
Thermodynamics	Easy	22
Heat transfer	Moderate	92
Refrigeration	Moderate	34
I. C. Engines	Tough	64
Turbo Machinery.	Moderate	32
Power Plant Engg.	Moderate	112
Renewable Sources of Energy	Moderate	72

Paper - II

1. Questions from Manufacturing, Industrial, and Maintenance Engineering composed a major portion of questions in Paper -2 with a weightage of 148 marks.The level of questions asked from these subjects was easy but lengthy.

2. As per reviews shared by candidates the level of Question paper was Moderate to Tough.

3. Some of the questions were easy and straight like "Law of Gearing", "Velocity Analysis of Elliptical Trammel " with figures.

Mechanical Engineering Paper-II
Subjects	Difficulty Level	Marks in 2021
Engineering Mechanics	Moderate	72
Mechanisms and Machines	Moderate	104
Design of Machine Elements	Easy	64
Manufacturing, Industrial and Maintenance Engineering	Easy	148
Mechatronics and Robotics	Moderate	92

ELECTRICAL ENGINEERING

Paper - I

The level of questions was Easy in comparison to last year’s paper.

Electrical Engineering Paper-I
S.NO.	Subjects	Difficulty Level
1	Engineering Mathematics	Hard
2	Electrical Materials	Easy
3	Electrical Circuits & fields	Moderate
4	Electrical & Electronic Measurements	Moderate
5	Computer Fundamentals	Easy
6	Basic Electronics Engineering	Hard

Paper - II

1. Paper for Electrical Engineering was Moderately Difficult.

2. Most questions were asked from Electrical Machines, Measurements and Communication Systems.

3. Communication System Questions are more as in previous years.

Electrical Engineering Paper-II
S.NO.	Subjects	Difficulty Level
1	Analog and Digital Electronics	Moderate
2	Systems and Signal Processing	Easy
3	Control Systems	Moderate
4	Electrical Machines	Moderate
5	Power Systems	Easy
6	Power Electronics and Drives	Moderate

IMPORTANT LINKS:

For Official Website: Click here

For Official Notification: Click here

For Examination Calender 2024: Click here

Study Tips

UPSC IES Mains Examination 2024: Latest Update

INDIAN ENGINEERING SERVICES (IES) EXAM

The Union Public Service Commission (UPSC) is responsible for conducting the Engineering Services Examination (ESE) also known as Indian Engineering Services Exam. The Commission will shortlist the candidates for the posts through Preliminary and Main Examination. The IES is a Central Civil Service and the candidates can be posted anywhere across the nation. The main Stage of the IES Examination is Descriptive in nature (Conventional Type Papers). So the preparation for it requires a lot of changes as compared to the Prelims Stage. The total marks of the Examination are 600 and are dependent totally on the writing skills of the candidate.

Note:- Only those candidates who have been declared as qualified by the commission in Preliminary/Stage-I Examination are eligible for the Main/Stage-II Examination.

UPSC IES EXAM SELECTION PROCESS

IES Examination is divided into two main stages:-

1. IES Written Exam (PRELIMS & MAINS)

2. IES Personality Test (Interview)

UPSC IES EXAM: TIPS AND TRICKS

1. Divide and Conquer: Categorize the syllabus as per your difficulty level and tackle it from easy to difficult or vice versa. It will help organize your study pattern and make it more effective.

2. Schedule your time: Assign fixed durations to solve your categorized questions. It will help you optimize your time required per problem.

3. No mugging: Understanding the concepts can branch out in understand related concepts and save you time and energy in the long run.

4. Flashcards: Utilize manually prepared flashcards to recall learned points. Using different colored pens can help boost your memory recall abilities, as well.

5. Practice till perfect: Get hold of last year’s question papers, mock tests, and exercises. Practicing these questions will help boost your confidence level as well as expand your exam knowledge.

UPSC IES FREQUENTLY ASKED QUESTIONS (FAQ)

FAQ RELATED TO UPSC IES BACKGROUND

QUERY	RESPONSE
What is IES Exam?	UPSC conducts the IES exam every year to recruit candidates for various specialised positions in the Union Government departments. The IES is a Central Civil Service and the candidates can be posted anywhere across the nation.
Can I appear in the IES exam in the 3^rd year of the Engineering Course?	No, to appear in the IES exam, the candidate must possess a bachelors degree in Engineering. The candidates appearing in the last year of the degree course can appear in the IES exam.
How many attempts are there for IES?	There are no restrictions regarding the attempts in the IES exam. The candidates can appear in the IES exam till they fulfil the age criteria prescribed in the IES notification.
Is there any physical test for IES?	There is no Physical Test in the IES exam. After the declaration of the IES Result, the candidates need to undergo a medical fitness test at the designated hospital.
Can 4th year students apply for IES?	Yes, the final year engineering students can apply for the IES exam
Is IES Interview tough?	The IES Interview is not very difficult. However, it is very competitive. The candidates have to be well-prepared.
Does any new engineering stream introduced in the IES notification?	No, the IES exam will be conducted for four engineering streams only.

FAQ RELATED TO UPSC IES GENERAL QUERY

QUERY	RESPONSE
What is meant by ‘Fictitious Payment’ or ‘No Fee’?	Those payments mentioned by the candidates in their online application, which are not authenticated by the State Bank of India, i.e. the designated bank managing the entire payment module (including managing the payment gateway), are called Fictitious Payments or No Fee.
How many stages are there is UPSC IES/ESE exam?	Three stages. Stage 1 – Preliminary Stage 2 – Mains Stage 3 – Personality Test
How many attempts are there for IES?	There are no restrictions regarding the attempts in the IES exam. The candidates can appear in the IES exam till they fulfil the age criteria prescribed in the IES notification.
Is there any physical test for IES?	There is no Physical Test in the IES exam. After the declaration of the IES Result, the candidates need to undergo a medical fitness test at the designated hospital.
Does any new engineering stream introduced in the IES notification?	No, the IES exam will be conducted for four engineering streams only.

IMPORTANT LINKS:

For Official Website: Click here

For Official Notification: Click here

For Examination Calender 2024:

...

UPSC IES Mains Examination 2024: Latest Update

INDIAN ENGINEERING SERVICES (IES) EXAM

Note:- Only those candidates who have been declared as qualified by the commission in Preliminary/Stage-I Examination are eligible for the Main/Stage-II Examination.

UPSC IES EXAM SELECTION PROCESS

IES Examination is divided into two main stages:-

1. IES Written Exam (PRELIMS & MAINS)

2. IES Personality Test (Interview)

UPSC IES EXAM: TIPS AND TRICKS

2. Schedule your time: Assign fixed durations to solve your categorized questions. It will help you optimize your time required per problem.

3. No mugging: Understanding the concepts can branch out in understand related concepts and save you time and energy in the long run.

4. Flashcards: Utilize manually prepared flashcards to recall learned points. Using different colored pens can help boost your memory recall abilities, as well.

UPSC IES FREQUENTLY ASKED QUESTIONS (FAQ)

FAQ RELATED TO UPSC IES BACKGROUND

QUERY	RESPONSE
What is IES Exam?	UPSC conducts the IES exam every year to recruit candidates for various specialised positions in the Union Government departments. The IES is a Central Civil Service and the candidates can be posted anywhere across the nation.
Can I appear in the IES exam in the 3^rd year of the Engineering Course?	No, to appear in the IES exam, the candidate must possess a bachelors degree in Engineering. The candidates appearing in the last year of the degree course can appear in the IES exam.
How many attempts are there for IES?	There are no restrictions regarding the attempts in the IES exam. The candidates can appear in the IES exam till they fulfil the age criteria prescribed in the IES notification.
Is there any physical test for IES?	There is no Physical Test in the IES exam. After the declaration of the IES Result, the candidates need to undergo a medical fitness test at the designated hospital.
Can 4th year students apply for IES?	Yes, the final year engineering students can apply for the IES exam
Is IES Interview tough?	The IES Interview is not very difficult. However, it is very competitive. The candidates have to be well-prepared.
Does any new engineering stream introduced in the IES notification?	No, the IES exam will be conducted for four engineering streams only.

FAQ RELATED TO UPSC IES GENERAL QUERY

QUERY	RESPONSE
What is meant by ‘Fictitious Payment’ or ‘No Fee’?	Those payments mentioned by the candidates in their online application, which are not authenticated by the State Bank of India, i.e. the designated bank managing the entire payment module (including managing the payment gateway), are called Fictitious Payments or No Fee.
How many stages are there is UPSC IES/ESE exam?	Three stages. Stage 1 – Preliminary Stage 2 – Mains Stage 3 – Personality Test
How many attempts are there for IES?	There are no restrictions regarding the attempts in the IES exam. The candidates can appear in the IES exam till they fulfil the age criteria prescribed in the IES notification.
Is there any physical test for IES?	There is no Physical Test in the IES exam. After the declaration of the IES Result, the candidates need to undergo a medical fitness test at the designated hospital.
Does any new engineering stream introduced in the IES notification?	No, the IES exam will be conducted for four engineering streams only.

IMPORTANT LINKS:

For Official Website: Click here

For Official Notification: Click here

For Examination Calender 2024: Click here

General info

UPSC IES Mains Examination 2024: Latest Update

INDIAN ENGINEERING SERVICES (IES) EXAM

UPSC administers the Indian Engineering Services Examination (IES) exam each year to recruit candidates for various specialized positions in departments of the Union government. The IES is a Central Civil Service and the candidates can be posted anywhere across the nation. The exam is held to recruit candidates for engineering positions for the various departments working under the Government of India.

The engineering services examination is held for four areas of engineering, namely:

1. Civil Engineering

2. Mechanical Engineering

3. Electrical Engineering

4. Electronics and Telecommunication Engineering

INDIAN ENGINEERING SERVICES (IES) CAREER PROSPECTS

The Promotional and career growth of an IES Officer administered by the Union Public Service Commission are as follows:

1. The candidate is selected first for the post of Assistant Executive Engineer or Assistant Director in any department of government.

2. A service period of 3-4 years makes an officer eligible to get promoted as an Executive Engineer or a Director. But, this duration of promotion may vary depending upon the performance of the candidate during service.

3. If an officer completes around 13 years of service then he/ she is eligible for promotion to Joint General Manager or Chief Engineer of level 2.

4. After around 20 years of service, the promotion is done for the post of Chief Engineer or AGM (Additional General Manager).

5. Completing 30 years of service, the promotion can be done for the post of Senior General Manager.

6. The Officer will be eligible for the last promotion after completion of 34 years of service in which the officer will be promoted to Managing Director or to the post of Chairperson

IES OFFICER JOB PROFILE

The IES job profile differs according to the service and departments they are appointed in. However, in general, they have to perform various technical and managerial duties. The various cadres or organizations in which IES Officers can be employed are as follows:

1. Central Power Engineering Service

2. Central Electrical and Mechanical Service

3. Border Roads Engineering Service

4. Central Engineering Service for Roads

5. Central Water Engineering

6. Defense Service Engineering Corps

7. Geological Survey of India

8. Indian Army Engineering Service

9. Indian Navy Armaments Service

10. Indian Ordnance Factory

11. Indian Railway Service

12. Indian Supply Service

13. Indian Telecommunication Service

IES SALARY STRUCTURE

The UPSC IES Salary in India and Pay Scale for different posts are tabulated below:

Level	Pay Scale	Time Frame
Junior Time Scale (JTS)	INR 56100-177500	On Joining
Junior Time Scale (STS)	INR 67700-208700	3-5 years
Junior Administrative Grade (JAG)	INR 123100-215900	10-15 years
Senior Administrative Grade (SAG)	INR 144200-218200	15-20 years
Higher Administrative Grade (HAG)	INR 182200-224100	-
HAG+	INR 205400-224400

...

UPSC IES Mains Examination 2024: Latest Update

INDIAN ENGINEERING SERVICES (IES) EXAM

The engineering services examination is held for four areas of engineering, namely:

1. Civil Engineering

2. Mechanical Engineering

3. Electrical Engineering

4. Electronics and Telecommunication Engineering

INDIAN ENGINEERING SERVICES (IES) CAREER PROSPECTS

The Promotional and career growth of an IES Officer administered by the Union Public Service Commission are as follows:

1. The candidate is selected first for the post of Assistant Executive Engineer or Assistant Director in any department of government.

3. If an officer completes around 13 years of service then he/ she is eligible for promotion to Joint General Manager or Chief Engineer of level 2.

4. After around 20 years of service, the promotion is done for the post of Chief Engineer or AGM (Additional General Manager).

5. Completing 30 years of service, the promotion can be done for the post of Senior General Manager.

6. The Officer will be eligible for the last promotion after completion of 34 years of service in which the officer will be promoted to Managing Director or to the post of Chairperson

IES OFFICER JOB PROFILE

1. Central Power Engineering Service

2. Central Electrical and Mechanical Service

3. Border Roads Engineering Service

4. Central Engineering Service for Roads

5. Central Water Engineering

6. Defense Service Engineering Corps

7. Geological Survey of India

8. Indian Army Engineering Service

9. Indian Navy Armaments Service

10. Indian Ordnance Factory

11. Indian Railway Service

12. Indian Supply Service

13. Indian Telecommunication Service

IES SALARY STRUCTURE

The UPSC IES Salary in India and Pay Scale for different posts are tabulated below:

Level	Pay Scale	Time Frame
Junior Time Scale (JTS)	INR 56100-177500	On Joining
Junior Time Scale (STS)	INR 67700-208700	3-5 years
Junior Administrative Grade (JAG)	INR 123100-215900	10-15 years
Senior Administrative Grade (SAG)	INR 144200-218200	15-20 years
Higher Administrative Grade (HAG)	INR 182200-224100	-
HAG+	INR 205400-224400	-
Apex Scale	INR 225000	-

UPSC IES MAINS EXAM SALIENT FEATURES

Particulars	Details
Exam Name	UPSC IES Examination
Conducting Body	Union Public Service Commission (UPSC)
Exam Level	National
Frequency of Exam	Once a year
Application Process	Online
Mode of Exam	Offline - pen and paper mode
Exam Stages	Prelims, Mains, Personal Interview & Medical Examination
Official website	upsc.gov.in

UPSC IES MAINS EXAM DATES

Events	Date
UPSC ESE Notification 2024	06th September 2023
Online Registration Starts	06th September 2023
Last Date to Apply Online	26th September 2023 (06 pm)
Last Date for Editing the Application	03th October 2023
Last Date for Printing Application	03th October 2023
UPSC ESE Admit Card 2024	to be notified
UPSC ESE Prelims Exam Date 2024	18th February 2024
UPSC ESE Mains Admit Card 2024	To be notified
UPSC ESE Mains Exam Date 2024	26th June 2024

UPSC IES MAINS EXAM APPLICATION PROCESS

The application process is online, Applicants who meet the eligibility criteria can fill out the application form. The application process involves several steps, such as registering, completing the application form, uploading the required documents, paying the fee, and final submission. Candidates only need to fill out the application form with correct details, otherwise, you are responsible for rejection.

UPSC IES EXAM DOCUMENT REQUIRED

1. Matriculation and Degree Certificates

2. Scanned copy of Photograph

3. Scanned copy of Signature

4. Any Valid ID proof ( Adhaar card/ Voter ID/ PAN card/Driving license/ Passport)

5. Card or Net Banking details for online payment

STEPS TO FILL UPSC IES EXAM ONLINE APPLICATION FORM

Below are the steps that the students need to follow when completing the application form for IES :

1. Registration: The first step was to register for the IES by visiting the official website. After this, they needed to click on the 'New Registration' tab and read the instructions carefully before proceeding. Click on the "Click Here for Part-I" link given under the Part-I registration tab. After successful registration, candidates were provided the registration number and password.

2. Filling up the IES application form: The next step is to fill IES application form. Candidates need to fill in their personal, academic, and contact details in the application form and note down system-generated application numbers. They also have to create a password that will be used for future logins.

Basic details: Here, candidates need to fill in the category, nationality, personal details, select exam centres, date of birth, gender, father's name or mother's name, address, etc.

Educational qualification, work experience & languages: Here, candidates need to enter details of their graduation such as year of passing, college, percentage of marks, grade (if any). They are also required to enter their work experience. Candidates are also required to enter the languages they can read, write and speak.

3. Upload of Prescribed Documents & Images (Photographs and Scanned Signatures): upload photographs, signatures. After filling IES application form, candidates will be asked to upload the scanned copies of their recent passport size photograph and specimen signature as per the given specifications.

Documents	Format	Size
Photograph	jpg/jpeg	20 KB - 300 KB
Signature	jpg/jpeg	20 KB - 300 KB
Photo ID card	PDF	20 KB - 300 KB

4. Choose your Test City Pay the Examination Fee: While applying, candidates have to select any three cities of their choice. The efforts will be made to allow the city of examination to the candidates in order of choice opted by them in their online Application Form. However, due to administrative/logistic reasons, a different city can be allotted. The candidates can pay the application fees in online mode only. For online payment, candidates can pay through Credit Card/ Debit Card/ Net Banking /Paytm /UPI.

Category	Application Fee
General and OBC	Rs. 200
Female/SC /ST	Nil

5. Print the Confirmation page: The last step is to take printouts of the confirmation page, after successful payment of application fees.

UPSC IES EXAM CENTRES

EXAM CENTRE
AHMEDABAD	CHANDIGARH	DISPUR (GUWAHATI)
LUCKNOW	SHILLONG	AIZAWL
CHENNAI	HYDERABAD	MUMBAI
SHIMLA	ALLAHABAD	CUTTACK
JAIPUR	PATNA	THIRUVANANTHAPURAM
BANGALORE	DEHRADUN	JAMMU
RAIPUR	VISHAKHAPATNAM	BHOPAL
DELHI	KOLKATA	RANCHI

UPSC IES MAINS EXAM ADMIT CARD

Follow the following steps to download the ESE admit card:

1. Visit the UPSC official website

2. Click on the e-admit card link for the IES exam.

3. Choose the IES exam for to admit card.

4. Submit the details required and download the IES admit card.

UPSC IES EXAM RESULT

1. Go to the UPSC official website

2. Click on the UPSC IES result in a link

3. Using CTRL+F, candidates can search for their roll number in the UPSC result in the PDF

4. Download and save the UPSC IES result for future reference.

IMPORTANT LINKS:

For Official Website: Click here

For Official Notification: Click here

For Examination Calender 2024: Click here

2024 exam

UPSC IES Mains Examination 2024: Latest Update

UPSC IES Mains Examination 2024: Overview

UPSC IES Exam is a national-level exam conducted by the Union Public Service Commission (UPSC) to recruit engineering graduates. The commission conducts the ESE IES exam each year for major branches, namely Civil, Mechanical, Electrical, and Electronics Telecommunications.

Two stages (Prelims and Mains) of the UPSC ESE exam are conducted offline to shortlist the candidates for the interview session. The Preliminary exam is an objective paper, while the Mains is a conventional paper. Candidates who qualify for both Prelims and Mains will be eligible to participate in the final round. The last phase of the UPSC ESE/IES exam is followed by the interview process, which is the toughest stage due to the strict evaluation.

UPSC IES Mains 2024: Vacancy Details

The number of vacancies notified in the exam notification is 167 including 5 vacancies for the Persons with Benchmark Disabilities (PwBD) (4 vacancies for Locomotor Disability including Leprosy cured, Dwarfism, Acid Attack victims and Muscular Dystrophy and 1 vacancy for Multiple Disability). Union Public Service Commission did not release the post-wise vacancies. However, the details of the posts are released as follows.

Category I - Civil Engineering Branch

Group-A Services/Posts

1. Central Engineering Service (Roads), Group-A (Civil Engineering Posts).

2. AEE(Civil) in Border Road Engineering Service.

3. Indian Defence Service of Engineers.

4. AEE(QS&C) in MES Surveyor Cadre.

5. Central Water Engineering (Group ‘A’) Service

6. Indian Skill Development Service

Category II - Mechanical Engineering

Group-A/B Services/Posts

1. AEE in GSI Engineering Service Gr ‘A’.

2. Indian Defence Service of Engineers.

3. Indian Naval Armament Service (Mechanical Engineering Posts).

4. Central Water Engineering (Group ‘A’) Service.

5. Defence Aeronautical Quality Assurance Services/SSO-II (Mechanical).

Category III - Electrical Engineering

Group-A/B Services/Posts

1. Indian Defence Service of Engineers.

2.Central Power Engineering Service Gr ‘A’ (Electrical Engineering Posts).

3. Indian Naval Armament Service (Electrical Engineering Posts)

4. Defence Aeronautical Quality Assurance Service/SSO-II (Electrical).

5. Central Power Engineering Service Gr ‘B’ (Electrical Engineering Posts).

Category IV - Electronics and Telecommunication Engineering

Group-A/B Services/Posts

1. Indian Radio Regulatory Service Gr ‘A’.

2. Indian Telecommunication Service Gr ‘A’.

3. Indian Naval Armament Service (Electronics and Telecom Engineering Posts).

4. Indian Naval Material Management Service (Electronics and Telecom Engineering Posts)

5. Defence Aeronautical Quality Assurance Service/SSO-II (Electronics & Tele).

6. Junior Telecom Officer Gr ‘B’.

UPSC IES Mains 2024: Salary Structure

Indian Engineering Officers join as Assistant Executive Engineers or Assistant Directors at the level of Junior Time Scale with a basic salary of Rs. 56,100/- per month and a net salary of around Rs. 85,000/- per month.

Level

Pay Scale

...

UPSC IES Mains Examination 2024: Latest Update

UPSC IES Mains Examination 2024: Overview

UPSC IES Mains 2024: Vacancy Details

Category I - Civil Engineering Branch

Group-A Services/Posts

1. Central Engineering Service (Roads), Group-A (Civil Engineering Posts).

2. AEE(Civil) in Border Road Engineering Service.

3. Indian Defence Service of Engineers.

4. AEE(QS&C) in MES Surveyor Cadre.

5. Central Water Engineering (Group ‘A’) Service

6. Indian Skill Development Service

Category II - Mechanical Engineering

Group-A/B Services/Posts

1. AEE in GSI Engineering Service Gr ‘A’.

2. Indian Defence Service of Engineers.

3. Indian Naval Armament Service (Mechanical Engineering Posts).

4. Central Water Engineering (Group ‘A’) Service.

5. Defence Aeronautical Quality Assurance Services/SSO-II (Mechanical).

Category III - Electrical Engineering

Group-A/B Services/Posts

1. Indian Defence Service of Engineers.

2.Central Power Engineering Service Gr ‘A’ (Electrical Engineering Posts).

3. Indian Naval Armament Service (Electrical Engineering Posts)

4. Defence Aeronautical Quality Assurance Service/SSO-II (Electrical).

5. Central Power Engineering Service Gr ‘B’ (Electrical Engineering Posts).

Category IV - Electronics and Telecommunication Engineering

Group-A/B Services/Posts

1. Indian Radio Regulatory Service Gr ‘A’.

2. Indian Telecommunication Service Gr ‘A’.

3. Indian Naval Armament Service (Electronics and Telecom Engineering Posts).

4. Indian Naval Material Management Service (Electronics and Telecom Engineering Posts)

5. Defence Aeronautical Quality Assurance Service/SSO-II (Electronics & Tele).

6. Junior Telecom Officer Gr ‘B’.

UPSC IES Mains 2024: Salary Structure

Level	Pay Scale	Time Frame
Junior Time Scale (JTS)	INR 56100-177500	On Joining
Junior Time Scale (STS)	INR 67700-208700	3-5 years
Junior Administrative Grade (JAG)	INR 123100-215900	10-15 years
Senior Administrative Grade (SAG)	INR 144200-218200	15-20 years
Higher Administrative Grade (HAG)	INR 182200-224100	-
HAG+	INR 205400-224400	-
Apex Scale	INR 225000	-

Indian Engineering Service Officers are among the top recipients of a good deal of privileges and allowances. Below is a list of allowances and privileges available for IES Officers apart from the basic pay :

1. Residential Quarters (Type IV to Type VIII) OR HRA (presently 24% of basic pay)

2. Official Vehicle

3. Dearness Allowance (presently 9% of basic pay)

4. CGHS Medical Facility

5. Leave Travel Allowance/ Tour Allowance

6. National Pension Scheme

7. Gratuity

8. Leave Encashment

9. Mobile and Briefcase Allowance

10. Newspaper and Mobile Bill Reimbursement

11. Laptops

12. Children Education Allowance

13. Transport Allowance (approx. 8000 per month), etc.

UPSC IES Mains 2024: Important Dates

Events	Date
UPSC ESE Notification 2024	06th September 2023
Online Registration Starts	06th September 2023
Last Date to Apply Online	26th September 2023 (06 pm)
Last Date for Editing the Application	03th October 2023
Last Date for Printing Application	03th October 2023
UPSC ESE Admit Card 2024	to be notified
UPSC ESE Prelims Exam Date 2024	18th February 2024
UPSC ESE Mains Admit Card 2024	To be notified
UPSC ESE Mains Exam Date 2024	26th June 2024

UPSC IES Mains 2024: Who Can Apply

Nationality:

A candidate must be either:

1. A citizen of India or

2. A subject of Nepal or A subject of Bhutan or

3. A Tibetan refugee who came to India before the 1^st of January 1962 with the intention of permanently settling in India or

4. A person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka, or East African countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire, and Ethiopia or from Vietnam with the intention of permanently settling in India.

Provided that a candidate belongs to categories (2), (3) and (4) above shall be a person in whose favor a certificate of eligibility has been issued by the Government of India.

Age Limits:

A candidate for this examination must have attained the age of 21 years and must not have attained the age of 30 years on the 1^st January 2024 i.e., he/she must have been born not earlier than 2^ndJanuary 1994 and not later than 1^st January 2003.

Minimum Educational Qualifications:

1. Obtained a degree in Engineering from a university incorporated by an act of the central or state legislature in India or other educational institutions established by an act of Parliament or declared to be deemed as universities under section-3 of the University Grants Commission act, 1956 or

2. Passed Sections A and B of the Institution Examinations of the Institution of Engineers (India) or

3. Obtained a degree/diploma in Engineering from a foreign University/College/Institution and under such conditions as may be recognised by the Government for the purpose from time to time or

4. Passed Graduate Membership Examination of the Institute of Electronics and Telecommunication Engineers (India) or

5. Passed Associate Membership Examination Parts II and III/Sections A and B of the Aeronautical Society of India or

6. Passed Graduate Membership Examination of the Institution of Electronics and Radio Engineers, London held after November 1959

UPSC IES Mains 2024: How Can Apply

Step 1 - Visit the official website

Step 2 - Candidates must first register themselves on the Commission’s website’s One Time Registration (OTR) platform before filling out the online application for the exam.

Step 3 - Candidates must submit the same information they did during registration, including their email address, one-time password, and verification code.

Step 4 - Upload scanned copies of necessary documents, such as educational certificates, identity proof, and passport-sized photograph, as per the prescribed format and size mentioned in the instructions.

Step 5 - Use the available online payment methods to pay the application cost.

Step 6 - Before submitting the application, make sure all of the data submitted into UPSC ESE 2024 and the supplied documents are accurate.

Step 7 - Once submitted, note down the registration number or take a printout of the application confirmation page for future reference.

Step 8 - Keep checking the official website or your registered email for updates and notifications regarding the recruitment process.

Step 10 - It is advisable to take a printout of the completed application form and payment receipt for your records.

UPSC IES Mains 2024: Application Fees

The payment can be done by using debit cards/credit cards, internet banking, IMPS, cash cards/mobile wallets. The fee structure is given below.

Category	Fee (In INR)
SC/ST/PWD/EXSM candidates	Nill
GEN/OBC/EWS	200

UPSC IES Mains 2024: Exam Centres

UPSC ESE exam centers 2023 for the Mains exam are:

EXAM CENTRE
AHMEDABAD	CHANDIGARH	DISPUR (GUWAHATI)
LUCKNOW	SHILLONG	AIZAWL
CHENNAI	HYDERABAD	MUMBAI
SHIMLA	ALLAHABAD	CUTTACK
JAIPUR	PATNA	THIRUVANANTHAPURAM
BANGALORE	DEHRADUN	JAMMU
RAIPUR	VISHAKHAPATNAM	BHOPAL
DELHI	KOLKATA	RANCHI

UPSC IES Mains 2024: Scheme of Exam

The ESE Mains exam is the Second stage of the selection process. The IES Mains Exam has two papers as tabulated below.

1. It has only Descriptive Type questions in paper-I and Paper II.

2. The total mark in the UPSC ESE exam is 600 marks.

3. Both the papers will have questions from the core engineering subject.

4. The total duration of the ESE Prelims exam is 6 hours.

5. There is no negative marking in Mains/ Stage-II Examination

STAGE-II	PAPER TYPE	DURATION	MARKS
PAPER-I	ENGINEERING DISCIPLINE (CE/ ME/ EE/ E&T)	03 HOURS	300
PAPER-II	ENGINEERING DISCIPLINE (CE/ ME/ EE/ E&T)	03 HOURS	300
TOTAL MARKS (MAIN)			600
TOTAL MARKS (MAINS + PRELIMS)			1100

UPSC IES Mains 2024: Syllabus

CIVIL ENGINEERING

1. Building Materials

2. Solid Mechanics

3. Structural Analysis

4. Design of Steel Structures

MECHANICAL ENGINEERING

1. Fluid Mechanics

2. Fluid Mechanics

3. Turbo Machinery

4. Power Plant Engineering

ELECTRIAL ENGINEERING

1. Electrical Materials

2. Engineering Mathematics

3. Electric Circuits and Fields

4. Electrical and Electronic Measurements

ELECTRONICS & TELECOMMUNICATION ENGINEERING

1. Basic Electronics Engineering

2. Basic Electrical Engineering

3. Materials Science

4. Network Theory

UPSC IES Mains 2024: Admission to Examination Centres

1. Reach the exam centers of UPSC ESE at least 30 minutes before the reporting time.

2. Don't forget to carry the admit card along with a valid photo ID proof like an Aadhar card, voter ID, passport, driving license, etc to the UPSC ESE exam centers.

3. Don't carry any kind of electronic gadgets or notes, books, or chits inside the exam centers of UPSC ESE. If found in possession, strict action might be taken against the candidate.

4. Aspirants must not misbehave with the UPSC ESE exam centers invigilators and support them during the complete exam process.

UPSC IES Mains 2024: Admit Card

Follow the following steps to download the ESE admit card:

Step 1 - Visit the UPSC official website

Step 2 - Click on the e-admit card link for the IES exam.

Step 3 - Choose the IES exam for to admit card.

Step 4 - Submit the details required and download the IES admit card.

UPSC IES Mains 2024: Result

Step 1 - Go to the UPSC official website

Step 2 - Click on the UPSC IES Mains result in a link

Step 3 - Using CTRL+F, candidates can search for their roll number in the UPSC Mains result in the PDF

Step 4 - Download and save the UPSC Mains result for future reference.

UPSC IES Mains 2024: Mode of Selection

The selection process for the UPSC ESE Civil Engineering, Electrical Engineering, Mechanical Engineering, and Electronics & Telecommunication Engineering is as follows:

1. ESE Prelims Exam/ Stage I: Objective Paper

2. ESE Mains Exam/ Stage II: Conventional Paper

3. ESE Interview/ Personality Test

IMPORTANT LINKS:

For Official Website: Click here

For Official Notification: Click here

For Examination Calender 2024: Click here

UPSC Engineering Service 2023 Final Marks Released

Union Public Service Commission (UPSC) has released the Engineering Services 2023 Final Marks...

Posted On: 30 Nov, 2023
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UPSC Engineering Services 2023 Mains Exam Result Released

Union Public Service Commission (UPSC) has released the Engineering Services 2023 Mains Exam Result...

Posted On: 08 Aug, 2023
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UPSC Engineering Services 2023 Mains Exam Date Announced

Union Public Service Commission (UPSC) has announced the Engineering Services 2023 Mains Exam Date...

Posted On: 12 Apr, 2024
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UPSC Exam Calendar 2025 Released

Union Public Service Commission (UPSC) has given a tentative calendar of various exams Reserved for UPSC RTs/ Exam, Engg Service (Prelims) Exam...

Posted On: 26 Apr, 2024
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Topic	Topic Description	Weightage
Fluid Mechanics	Basic Concepts and Properties of Fluids, Manometry, Fluid Statics, Buoyancy, Equations of Motion, Bernoulli’s equation and applications, Viscous flow of incompressible fluids, Laminar and Turbulent flows, Flow through pipes and head losses in pipes	5 Out of 8 Questions
Thermodynamics and Heat transfer	Thermodynamic systems and processes; properties of pure substance; Zeroth, First and Second Laws of Thermodynamics; Entropy, Irreversibility and availability; analysis of thermodynamic cycles related to energy conversion: Rankine, Otto, Diesel and Dual Cycles; ideal and real gases; compressibility factor; Gas mixtures. Modes of heat transfer, Steady and unsteady heat conduction, Thermal resistance, Fins, Free and forced convection, Correlations for convective heat transfer, Radiative heat transfer – Radiation heat transfer co-efficient; boiling and condensation, Heat exchanger performance analysis.
IC Engines, Refrigeration and Air conditioning	SI and CI Engines, Engine Systems and Components, Performance characteristics and testing of IC Engines; Fuels; Emissions and Emission Control. Vapour compression refrigeration, Refrigerants and Working cycles, Compressors, Condensers, Evaporators and Expansion devices, Other types of refrigeration systems like Vapour Absorption, Vapour jet, thermo electric and Vortex tube refrigeration. Psychometric properties and processes, Comfort chart, Comfort and industrial air conditioning, Load calculations and Heat pumps
Turbo Machinery	Reciprocating and Rotary pumps, Pelton wheel, Kaplan and Francis Turbines, velocity diagrams, Impulse and Reaction principles, Steam and Gas Turbines, Theory of Jet Propulsion – Pulse jet and Ram Jet Engines, Reciprocating and Rotary Compressors – Theory and Applications
Power Plant Engineering	Rankine and Brayton cycles with regeneration and reheat, Fuels and their properties, Flue gas analysis, Boilers, steam turbines and other power plant components like condensers, air ejectors, electrostatic precipitators and cooling towers – their theory and design, types and applications
Renewable Sources of Energy	Solar Radiation, Solar Thermal Energy collection - Flat Plate and focusing collectors their materials and performance. Solar Thermal Energy Storage, Applications – heating, cooling and Power Generation; Solar Photovoltaic Conversion; Harnessing of Wind Energy, Bio-mass and Tidal Energy – Methods and Applications, Working principles of Fuel Cells

Topic	Topic Description	Weightage
Basic Electronics Engineering	Basics of semiconductors; Diode/Transistor basics and characteristics; Diodes for different uses; Junction & Field Effect Transistors (BJTs, JFETs, MOSFETs); Transistor amplifiers of different types, oscillators and other circuits; Basics of Integrated Circuits (ICs); Bipolar, MOS and CMOS ICs; Basics of linear ICs, operational amplifiers and their applications-linear/ non-linear; Optical sources/detectors; Basics of Opto electronics and its applications.	5 Out of 8 Questions
Basic Electrical Engineering	DC circuits-Ohm’s & Kirchoff’s laws, mesh and nodal analysis, circuit theorems; Electro-magnetism, Faraday’s & Lenz’s laws, induced EMF and its uses; Single-phase AC circuits; Transformers, efficiency; Basics-DC machines, induction machines, and synchronous machines; Electrical power sources- basics: hydroelectric, thermal, nuclear, wind, solar; Basics of batteries and their uses
Materials Science	Electrical Engineering materials; Crystal structure & defects; Ceramic materials-structures, composites, processing and uses; Insulating laminates for electronics, structures, properties and uses; Magnetic materials basics, classification, ferrites, ferro/para-magnetic materials and components; Nano materials-basics, preparation, purification, sintering, nano particles and uses; Nano optical/ magnetic/ electronic materials and uses; Superconductivity, uses.
Electronic Measurements & Instrumentation	Principles of measurement, accuracy, precision and standards; Analog and Digital systems for measurement, measuring instruments for different applications; Static/dynamic characteristics of measurement systems, errors, statistical analysis and curve fitting; Measurement systems for non-electrical quantities; Basics of telemetry; Different types of transducers and displays; Data acquisition system basics
Network Theory	Network graphs & matrices; Wye-Delta transformation; Linear constant coefficient differential equations- time domain analysis of RLC circuits; Solution of network equations using Laplace transforms- frequency domain analysis of RLC circuits; 2-port network parameters-driving point & transfer functions; State equations for networks; Steady state sinusoidal analysis.
Analog & Digital Circuits	Small signal equivalent circuits of diodes, BJTS and FETs; Diode circuits for different uses; Biasing & stability of BJT & JFET amplifier circuits; Analysis/design of amplifier- single/multi-stage; Feedback& uses; Active filters, timers, multipliers, wave shaping, A/D-D/A converters; Boolean Algebra& uses; Logic gates, Digital IC families, Combinatorial/sequential circuits; Basics of multiplexers, counters/ registers/ memories /microprocessors, design& applications.

Events	Dates
Notification Release	07/04/2021
Online Registration Starting	07/04/2021
Last date of online registration	27/04/2021
Admit Card Release	24/06/2021
Exam Date (Prelims)	18/07/2021
Prelim Results	06/08/2021

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Topic	Topic Description	Weightage
Engineering Mechanics	Basic Crystallography, Alloys and Phase diagrams, Heat Treatment, Ferrous and Non Ferrous Metals, Non metallic materials, Basics of Nano-materials, Mechanical Properties and Testing, Corrosion prevention and control	5 Out of 8 Questions
Engineering Materials	Basic Crystallography, Alloys and Phase diagrams, Heat Treatment, Ferrous and Non Ferrous Metals, Non metallic materials, Basics of Nano-materials, Mechanical Properties and Testing, Corrosion prevention and control
Mechanisms and Machines	Types of Kinematics Pair, Mobility, Inversions, Kinematic Analysis, Velocity and Acceleration Analysis of Planar Mechanisms, CAMs with uniform acceleration and retardation, cycloidal motion, oscillating followers; Vibrations –Free and forced vibration of undamped and damped SDOF systems, Transmissibility Ratio, Vibration Isolation, Critical Speed of Shafts. Gears – Geometry of tooth profiles, Law of gearing, Involute profile, Interference, Helical, Spiral and Worm Gears, Gear Trains- Simple, compound and Epicyclic; Dynamic Analysis – Slider – crank mechanisms, turning moment computations, balancing of Revolving & Reciprocating masses, Gyroscopes –Effect of Gyroscopic couple on automobiles, ships and aircrafts, Governors.
Design of Machine Elements	Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as riveted, welded and bolted joints. Shafts, Spur gears, rolling and sliding contact bearings, Brakes and clutches, flywheels
Manufacturing, Industrial and Maintenance Engineering	Metal casting-Metal forming, Metal Joining, Machining and machine tool operations, Limits, fits and tolerances, Metrology and inspection, computer Integrated manufacturing, FMS, Production planning and Control, Inventory control and operations research - CPM-PERT. Failure concepts and characteristics-Reliability, Failure analysis, Machine Vibration, Data acquisition, Fault Detection, Vibration Monitoring, Field Balancing of Rotors, Noise Monitoring, Wear and Debris Analysis, Signature Analysis, NDT Techniques in Condition Monitoring
Mechatronics and Robotics	Microprocessors and Microcontrollers: Architecture, programming, I/O, Computer interfacing, Programmable logic controller. Sensors and actuators, Piezoelectric accelerometer, Hall effect sensor, Optical Encoder, Resolver, Inductosyn, Pneumatic and Hydraulic actuators, stepper motor, Control Systems- Mathematical modeling of Physical systems, control signals, controllability and observability. Robotics, Robot Classification, Robot Specification, notation; Direct and Inverse Kinematics; Homogeneous Coordinates and Arm Equation of four Axis SCARA Robot.

Topic	Topic Description	Weightage
Engineering Mathematics	Matrix theory, Eigen values & Eigen vectors, system of linear equations, Numerical methods for solution of non-linear algebraic equations and differential equations, integral calculus, partial derivatives, maxima and minima, Line, Surface and Volume Integrals. Fourier series, linear, non-linear and partial differential equations, initial and boundary value problems, complex variables, Taylor’s and Laurent’s series, residue theorem, probability and statistics fundamentals, Sampling theorem, random variables, Normal and Poisson distributions, correlation and regression analysis.	5 Out of 8 Questions
Electrical Materials	Electrical Engineering Materials, crystal structures and defects, ceramic materials, insulating materials, magnetic materials- basics, properties and applications; ferrities, ferro-magnetic materials and components; basics of solid state physics, conductors; Photo-conductivity; Basics of Nano materials and Superconductors
Electric Circuits and Fields	Circuit elements, network graph, KCL, KVL, Node and Mesh analysis, ideal current and voltage sources, Thevenin’s, Norton’s, Superposition and Maximum Power Transfer theorems, transient response of DC and AC networks, Sinusoidal steady state analysis, basic filter concepts, two-port networks, three phase circuits, Magnetically coupled circuits, Gauss Theorem, electric field and potential due to point, line, plane and spherical charge distributions, Ampere’s and Biot- Savart’s laws; inductance, dielectrics, capacitance; Maxwell’s equations
Electrical and Electronic Measurements	Principles of measurement, accuracy, precision and standards; Bridges and potentiometers; moving coil, moving iron, dynamometer and induction type instruments, measurement of voltage, current, power, energy and power factor, instrument transformers, digital voltmeters and multi-meters, phase, time and frequency measurement, Q-meters, oscilloscopes, potentiometric recorders, error analysis, Basics of sensors, Transducers, basics of data acquisition systems
Computer Fundamentals	Number systems, Boolean algebra, arithmetic functions, Basic Architecture, Central Processing Unit, I/O and Memory Organisation; peripheral devices, data represenation and programming, basics of Operating system and networking, virtual memory, file systems; Elements of programming languages, typical examples.
Basic Electronics Engineering	Basics of Semiconductor diodes and transistors and characteristics, Junction and field effect transistors (BJT, FET and MOSFETS), different types of transistor amplifiers, equivalent circuits and frequency response; oscillators and other circuits, feedback amplifiers.

Topic	Topic Description	Weightage
Analog and Digital Electronics	Operational amplifiers – characteristics and applications, combinational and sequential logic circuits, multiplexers, multi- vibrators, sample and hold circuits, A/D and D/A converters, basics of filter circuits and applications, simple active filters; Microprocessor basics- interfaces and applications, basics of linear integrated circuits; Analog communication basics, Modulation and de-modulation, noise and bandwidth, transmitters and receivers, signal to noise ratio, digital communication basics, sampling, quantizing, coding, frequency and time domain multiplexing, power line carrier communication systems.	5 Out of 8 Questions
Systems and Signal Processing	Representation of continuous and discrete-time signals, shifting and scaling operations, linear, time-invariant and causal systems, Fourier series representation of continuous periodic signals, sampling theorem, Fourier and Laplace transforms, Z transforms, Discrete Fourier transform, FFT, linear convolution, discrete cosine transform, FIR filter, IIR filter, bilinear transformation
Control Systems	Principles of feedback, transfer function, block diagrams and signal flow graphs, steady-state errors, transforms and their applications; Routh-hurwitz criterion, Nyquist techniques, Bode plots, root loci, lag, lead and lead-lag compensation, stability analysis, transient and frequency response analysis, state space model, state transition matrix, controllability and observability, linear state variable feedback, PID and industrial controllers.
Electrical Machines	Single phase transformers, three phase transformers- connections, parallel operation, auto-transformer, energy conversion principles, DC machines - types, windings, generator characteristics, armature reaction and commutation, starting and speed control of motors, Induction motors - principles, types, performance characteristics, starting and speed control, Synchronous machines - performance, regulation, parallel operation of generators, motor starting, characteristics and applications, servo and stepper motors
Power Systems	Basic power generation concepts, steam, gas and water turbines, transmission line models and performance, cable performance, insulation, corona and radio interference, power factor correction, symmetrical components, fault analysis, principles of protection systems, basics of solid state relays and digital protection; Circuit breakers, Radial and ring-main distribution systems, Matrix representation of power systems, load flow analysis, voltage control and economic operation, System stability concepts, Swing curves and equal area criterion. HVDC transmission and FACTS concepts, Concepts of power system dynamics, distributed generation, solar and wind power, smart grid concepts, environmental implications, fundamentals of power economics
Power Electronics and Drives	Semiconductor power diodes, transistors, thyristors, triacs, GTOs, MOSFETs and IGBTs - static characteristics and principles of operation, triggering circuits, phase control rectifiers, bridge converters - fully controlled and half controlled, principles of choppers and inverters, basis concepts of adjustable speed DC and AC drives, DC-DC switched mode converters, DC-AC switched mode converters, resonant converters, high frequency inductors and transformers, power supplies

Topic	Topic Description	Weightage
Analog and Digital Communication Systems	Random signals, noise, probability theory, information theory; Analog versus digital communication & applications: Systems- AM, FM, transmitters/receivers, theory/practice/ standards, SNR comparison; Digital communication basics: Sampling, quantizing, coding, PCM, DPCM, multiplexing-audio/video; Digital modulation: ASK, FSK, PSK; Multiple access: TDMA, FDMA, CDMA; Optical communication: fibre optics, theory, practice/standards	5 Out of 8 Questions
Control Systems	Classification of signals and systems; Application of signal and system theory; System realization; Transforms& their applications; Signal flow graphs, Routh-Hurwitz criteria, root loci, Nyquist/Bode plots; Feedback systems-open &close loop types, stability analysis, steady state, transient and frequency response analysis; Design of control systems, compensators, elements of lead/lag compensation, PID and industrial controllers
Computer Organization and Architecture	Basic architecture, CPU, I/O organisation, memory organisation, peripheral devices, trends; Hardware /software issues; Data representation& Programming; Operating systems-basics, processes, characteristics, applications; Memory management, virtual memory, file systems, protection & security; Data bases, different types, characteristics and design; Transactions and concurrency control; Elements of programming languages, typical examples.
Electro Magnetics	Elements of vector calculus, Maxwell’s equations-basic concepts; Gauss’, Stokes’ theorems; Wave propagation through different media; Transmission Lines-different types, basics, Smith’s chart, impedance matching/transformation, S- parameters, pulse excitation, uses; Waveguides-basics, rectangular types, modes, cut-off frequency, dispersion, dielectric types; Antennas-radiation pattern, monopoles/dipoles, gain, arrays-active/passive, theory, uses.
Advanced Electronics Topics	VLSI technology: Processing, lithography, interconnects, packaging, testing; VLSI design: Principles, MUX/ROM/PLA-based design, Moore & Mealy circuit design; Pipeline concepts & functions; Design for testability, examples; DSP: Discrete time signals/systems, uses; Digital filters: FIR/IIR types, design, speech/audio/radar signal processing uses; Microprocessors & microcontrollers, basics, interrupts, DMA, instruction sets, interfacing; Controllers & uses; Embedded systems
Advanced Communication Topics	Communication networks: Principles /practices /technologies /uses /OSI model/security; Basic packet multiplexed streams/scheduling; Cellular networks, types, analysis, protocols (TCP/TCPIP); Microwave & satellite communication: Terrestrial/space type LOS systems, block schematics link calculations, system design; Communication satellites, orbits, characteristics, systems, uses; Fibre-optic communication systems, block schematics, link calculations, system design, etc.

UPSC IES (Engineering Services) Mains

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Previous Year Papers

Civil Engineering Paper I 2022

Civil Engineering Paper II 2022

Civil Engineering Paper I 2022

Civil Engineering Paper I 2021

Civil Engineering Paper I 2020

Civil Engineering Paper I 2019

Civil Engineering Paper I 2018

Civil Engineering Paper I 2017

Civil Engineering Paper I 2016

Civil Engineering Paper II 2022

Civil Engineering Paper II 2021

Civil Engineering Paper II 2020

Civil Engineering Paper II 2019

Civil Engineering Paper II 2018

Civil Engineering Paper II 2017

Civil Engineering Paper II 2016

Mechanical Engineering Paper I 2022

Mechanical Engineering Paper II 2022

Mechanical Engineering Paper I 2022

Mechanical Engineering Paper I 2021

Mechanical Engineering Paper I 2020

Mechanical Engineering Paper I 2019

Mechanical Engineering Paper I 2018

Mechanical Engineering Paper I 2017

Mechanical Engineering Paper I 2016

Mechanical Engineering Paper II 2022

Mechanical Engineering Paper II 2021

Mechanical Engineering Paper II 2020

Mechanical Engineering Paper II 2019

Mechanical Engineering Paper II 2018

Mechanical Engineering Paper II 2017

Mechanical Engineering Paper II 2016

Electrical Engineering Paper I 2022

Electrical Engineering Paper II 2022

Electrical Engineering Paper I 2022

Electrical Engineering Paper I 2021

Electrical Engineering Paper I 2020

Electrical Engineering Paper I 2019

Electrical Engineering Paper I 2018

Electrical Engineering Paper I 2017

Electrical Engineering Paper I 2016

Electrical Engineering Paper II 2022

Electrical Engineering Paper II 2021

Electrical Engineering Paper II 2020

Electrical Engineering Paper II 2019

Electrical Engineering Paper II 2018

Electrical Engineering Paper II 2017

Electrical Engineering Paper II 2016

Electronics And Telecommunication Engineering Paper I 2022

Electronics And Telecommunication Engineering Paper II 2022

Electronics And Telecommunication Engineering Paper I 2022