How do I calculate my UPSC Prelims GS Paper I score from the response sheet?

Count your right and wrong answers per section from the response sheet and enter them in the RankVyuh UPSC Prelims score calculator: it applies the official marking and shows your marks next to the last cut-off.

Can I challenge the UPSC Prelims GS Paper I answer key?

Union Public Service Commission (UPSC) opens an objection window after the provisional key, with a fee per question, on its website. The final key is published after objections are reviewed.

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UPSC Prelims GS Paper I answer key 2027

UPSC Prelims GS Paper I is on 23 May 2027 (tentative). The answer key follows the exam on Union Public Service Commission (UPSC)'s website; this page will carry it, and the score calculator works the day it is out.

Official website: Union Public Service Commission (UPSC)

Your score from the response sheet

Enter right and wrong answers per section; the calculator applies the official marking (+2 for a correct answer. a wrong answer costs one third of the question's marks (0.66). gs paper i marks decide the prelims cutoff.) and shows the gap to the last cut-off.

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UPSC Prelims 2027: every date

Prelims

23 May 2027tentative

Dates as announced by Union Public Service Commission (UPSC); "tentative" means reported but not yet confirmed. Checked weekly.

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FAQ

When is the UPSC Prelims GS Paper I answer key 2027 out?: UPSC Prelims GS Paper I is on 23 May 2027 (tentative). The answer key follows the exam on Union Public Service Commission (UPSC)'s website; this page will carry it, and the score calculator works the day it is out.
How do I calculate my UPSC Prelims GS Paper I score from the response sheet?: Count your right and wrong answers per section from the response sheet and enter them in the RankVyuh UPSC Prelims score calculator: it applies the official marking and shows your marks next to the last cut-off.
Can I challenge the UPSC Prelims GS Paper I answer key?: Union Public Service Commission (UPSC) opens an objection window after the provisional key, with a fee per question, on its website. The final key is published after objections are reviewed.

Source: Union Public Service Commission (UPSC) notices at https://upsc.gov.in. Calendar last re-verified: 2026-11-02. Page: https://rankvyuh.com/upsc-prelims/answer-key