UPSC CSE Prelims 2025 Official Answer Key PDF – GS Paper 1 & CSAT
Dear students, the official answer key for the Civil Services Preliminary Examination 2025 is now available for both General Studies Paper-I and CSAT / General Studies Paper-II.
Candidates who appeared for UPSC CSE Prelims 2025 can now download the official answer key PDFs and cross-check their responses. The answer keys are useful for verifying the final answers, understanding the official position of UPSC, and reviewing one’s performance in both papers.
Please use the links below to download the official answer key for GS Paper-I and CSAT / GS Paper-II.
Download UPSC CSE Prelims 2025 Official Answer Key PDFs
UPSC CSE 2025 GS Paper-I Official Answer Key
Download the official answer key for General Studies Paper-I of the Civil Services Preliminary Examination 2025.
UPSC CSE 2025 CSAT / GS Paper-II Official Answer Key
Download the official answer key for CSAT / General Studies Paper-II of the Civil Services Preliminary Examination 2025.
Why this answer key is important
The official UPSC answer key helps aspirants confirm the correct answers after the examination cycle. It is especially useful for candidates who want to compare their attempted answers with the official key and understand the final answer choices accepted by UPSC.
How to use the UPSC Prelims 2025 answer key
Download GS Paper-I and CSAT / GS Paper-II answer keys from the links given above.
Compare your marked answers with the official answer key question by question.
Use the answer key to identify strong areas, weak areas, and recurring mistakes for future preparation.
Papers Covered
A note for aspirants
Every Prelims paper gives valuable lessons. Whether the score is as expected or not, the answer key should be used as a tool for honest analysis rather than just score calculation.
Go through the questions calmly, observe the areas where mistakes happened, and convert this review into a stronger preparation plan for the next stage of the examination.
Download, Verify and Learn
Access both UPSC CSE Prelims 2025 official answer key PDFs and use them for a careful review of your performance.
