UPSC Prelims 2026 OMR Sheet Filling Tips – Avoid Costly Exam Mistakes

1. Your knowledge matters, but OMR mistakes can fail you in UPSC Prelims.

2. Always use only BLACK ballpoint pen for marking answers.

3. Fill circles completely — half-filled bubbles are rejected.

4. One question = one bubble; double marking = zero marks.

5. Match Question Number & Bubble Number carefully every time.

6. Avoid rushing—speed causes OMR errors, not lack of knowledge.

7. Never use pencil, gel pen, or correction fluid on OMR sheet.

8. If you change answer, overwrite not allowed — think before marking.

9. First attempt sure questions, then return to doubtful ones.

10. Do not fold, tear, or smudge the OMR sheet.

11. Fill Roll No., Booklet Series & Exam Centre details correctly first.

12. Last 5 minutes = OMR verification, not new questions.

13. Stay calm — a steady mind protects your marks.

14. Remember: UPSC Prelims is as much about accuracy as preparation.

15. Practice OMR at home — confidence on exam day is automatic.