1. Visit upsssc.gov.in and open the relevant advertisement under the Live Advertisement Segment.
2. Log in using your PET-2025 Registration Number and the OTP sent to your registered mobile number/email.
3. Verify the auto-displayed personal details from PET-2025 and select the post(s) you wish to apply for.
4. For each selected post, confirm your educational qualification and enter the required qualification details, including board/university, passing year, certificate/roll number, and marks.
5. Enter the verification code. Your photograph and signature uploaded during PET-2025 will be displayed automatically and cannot be changed.
6. Enter other required details, including preferential qualification (if applicable), and verify your correspondence and permanent address.
7. Read and accept the declaration, enter the verification code, and click Save and Submit to proceed to fee payment.
8. Pay the application fee through Credit Card, Debit Card, Internet Banking, UPI, or SBI e-Challan.
9. After successful payment, the application will be submitted automatically. Download and print a copy for future reference.
10. For any other information, visit the official site.