UPSC CSE Prelims 2025 Answer Key Out at upsc.gov.in; Download PDF

The Union Public Service Commission (UPSC) has released the UPSC CSE Prelims 2025 answer key on its official website, upsc.gov.in. Candidates who appeared for the Civil Services Preliminary Examination 2025 can now download the answer keys for General Studies Paper 1 and CSAT (Paper 2). The answer keys were published on May 13, 2026, after completion of the full UPSC CSE 2025 recruitment cycle, including prelims, mains, and interview stages.

UPSC Prelims Answer Key 2025: Key Highlights

The official answer key PDFs are available under the “Answer Keys” section on the UPSC portal.

UPSC CSE Prelims 2025 Answer Key PDF Download Link

Candidates can download the official UPSC answer key PDFs through the UPSC website.

Official Website:UPSC Official Website

Answer Key Section:UPSC Answer Key Page

UPSC has uploaded separate PDFs for:

• General Studies Paper 1
• General Studies Paper 2 (CSAT)

How to Download UPSC Prelims Answer Key 2025?

Candidates can follow these steps to access the answer key PDFs:

1. Visit the official UPSC website
2. Click on the “Examinations” tab
3. Select “Answer Keys” from the dropdown menu
4. Open “Civil Services (Preliminary) Examination, 2025”
5. Click on GS Paper 1 or GS Paper 2 PDF
6. Download and save the answer key for reference

UPSC Prelims 2025 Marking Scheme

Candidates can calculate estimated scores using the official UPSC marking scheme.

UPSC Prelims Marking Scheme

The CSAT paper is qualifying in nature, and candidates need at least 33% marks to qualify Paper 2.

UPSC CSE 2025 Exam Statistics

UPSC also released examination statistics related to the Civil Services Examination 2025 cycle.

UPSC CSE 2025 Statistics

UPSC CSE 2025 Timeline and Exam Process

The UPSC Civil Services Preliminary Examination 2025 was conducted on May 25, 2025, while the mains examination took place between August 22 and August 31, 2025. Interviews were conducted from January to April 2026, and the final result was declared on March 6, 2026. UPSC has indicated that from 2026 onwards, provisional answer keys may be released earlier instead of after completion of the full examination cycle.

Why UPSC Answer Key Matters for Aspirants?

The official answer key helps candidates:

• Analyse correct and incorrect responses
• Understand UPSC question trends
• Estimate expected scores
• Improve preparation strategy for future attempts

Experts believe analysing official answer keys helps aspirants understand UPSC’s evolving focus on conceptual clarity, analytical reasoning, and elimination techniques.

Important Instructions for Candidates

• Download answer keys only from official UPSC websites
• Verify question paper set before calculating marks
• Use official marking scheme carefully
• Keep PDFs saved for future reference
• Check UPSC notifications regularly for new updates

UPSC CSE Prelims 2025 Answer Key FAQs