UPSC News
UPSC Prelims 2025 Answer Key (GS, CSAT) Released @ upsc.gov.in

The UPSC has now released the official answer key for the Civil Services Preliminary Examination 2025.
For thousands of aspirants who appeared in the examination on 25 May 2025, this release is more than just a formal document—it is the final academic reference point for understanding how UPSC interpreted each question, resolved ambiguities, and finalized the correct options. The examination itself was conducted on 25 May 2025 as per the official examination notification.
Official UPSC Prelims 2025 Answer Key Now Available
The official answer key for Civil Services (Preliminary) Examination 2025 has now been uploaded by UPSC through its answer key section on the official portal. Candidates can now access both:
- General Studies Paper I (GS Paper 1)
- CSAT (General Studies Paper II)
through the official answer key repository of UPSC. UPSC maintains a dedicated answer key archive on its official examination portal.

Download Links
Download PDF of Official UPSC Prelims 2025 Answer Key (GS Paper I)
Download PDF of Official UPSC Prelims 2025 Answer Key (CSAT)

Download UPSC Prelims 2025 Question Paper and solution
UPSC Prelims 2025 Question Paper (GS)
UPSC Prelims 2025 Question Paper (CSAT)
VisionIAS – UPSC GS Prelims 2025: Solution, Analysis & Explanation
VisionIAS – UPSC CSAT Prelims 2025: Solution, Analysis & Explanation
Why the Official Answer Key Matters Even After the Exam Cycle
It helps aspirants:
- Understand how UPSC resolves conceptually controversial questions
- Identify where coaching institute keys differed from UPSC’s final stance
- Learn the depth of interpretation expected in elimination-based questions
- Refine future guesswork and risk-taking strategy
- Improve conceptual accuracy for future attempts
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