UPSC CSAT Answer Key 2025 PDF Download (Unofficial) – All Sets

Download the unofficial UPSC CSAT Answer Key 2025 for all sets. Check correct answers, compare your responses, and estimate your UPSC Prelims score before the official key is released.

PWOnlyIAS

May 28, 2025

UPSC CSAT Answer Key 2025 PDF Download (Unofficial) – All Sets

CSAT Answer Key 2025 is a crucial resource for candidates who appeared in the UPSC Prelims examination. Through CSAT Answer Key allows them to evaluate their performance in General Studies Paper II (CSAT) and estimate whether they are likely to clear the qualifying cut-off. The official CSAT answer key will be released by the UPSC on the official website, upsc.gov.in, once the exam cycle is over. However, an unofficial answer key will be provided here by PWOnlyIAS.

Here we have provided details of UPSC CSAT Answer Key 2025, including expected release date, how to download, and access to previous-year CSAT answer keys for your reference.

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UPSC CSAT Answer Key 2025 Download Link Unofficial 

The UPSC Prelims CSAT (Civil Services Aptitude Test) 2025 was conducted in the second shift (2:30 PM to 4:30 PM) on 25 May 2025. The UPSC CSAT Answer Key 2025 (Unofficial) was released after the Prelims exam on the same day by the PWOnlyIAS Academic Team.

Until the official key is published by UPSC—which happens only after the final result of the exam cycle—candidates often rely on provisional answer keys provided by PWOnlyIAS academic experts.

Here is the link to download the UPSC CSAT Answer Key 2025 for all Sets:

Set CSAT Answer Key 2025 PDF Link
Set A Download Link
Set B Download Link
Set C Download Link
Set D Download Link

UPSC Prelims Question Paper & Answer Key 2025 
UPSC Prelims Question Paper 2025 Download Link
UPSC Prelims Answer Key 2025 Download Link
UPSC Prelims Answer Key 2025 with Solution Download Link

UPSC CSAT Answer Key 2025 Overview

The official UPSC CSAT Answer Key 2025 will be released by the Union Public Service Commission only after the complete exam cycle ends, including the final result declaration of the Mains and Interview rounds. However, our PWOnlyIAS academic team experts have provided the UPSC Prelims CSAT Answer Key 2025 PDF along with their solutions

Details Information
Exam Name UPSC Civil Services Prelims 2025
Paper Name CSAT (General Studies Paper II)
Exam Date May 2025 (expected)
Official Answer Key Release After final result (likely by March 2026)
Mode of Release Online PDF
Official Website upsc.gov.in

How to Download CSAT Answer Key 2025

Once the answer key is released officially by UPSC, you can follow these steps:

  1. Visit the official website, www.upsc.gov.in
  2. Click on the “Examinations” tab.
  3. Choose “Answer Keys” from the dropdown.
  4. Find the link titled “Civil Services Preliminary Examination 2025 – GS Paper II Answer Key”.
  5. Click on the PDF link and download it.
  6. Cross-check your answers with the key and calculate your score.

Check Out UPSC CSE Books From PW Store

Previous Year CSAT Answer Keys (2020–2024)

Although official CSAT answer keys are released late, many aspirants use unofficial answer keys for quicker self-evaluation. Here are the previous year CSAT answer keys you can refer to:

Previous Year UPSC CSAT Answer Key PDF
UPSC CSAT Paper Answer Key Link
UPSC CSAT Exam 2024 Click Here
UPSC CSAT Exam 2023 Click Here
UPSC CSAT Exam 2022 Click Here
UPSC CSAT Exam 2021 Click Here
UPSC CSAT Exam 2020 Click Here

Tips to Evaluate Your CSAT Performance

After attempting the CSAT paper in UPSC Prelims, it’s important to carefully assess your performance to know whether you’ve cleared the qualifying cutoff. Here are some simple tips to help you evaluate your CSAT answers, calculate your score accurately, and understand your chances.

  • Use a pen and paper or a spreadsheet to mark the correct responses as per the answer key.
  • Use the marking scheme:
    Correct Answer: +2 marks
    Wrong Answer: –0.66 marks (1/3rd negative marking)
  • Unattempted questions carry zero penalty.
  • Sum up your score. If it’s 66 or above, you’ve cleared CSAT.

Ready to boost your UPSC 2025 preparation? Join PW’s UPSC online courses today!

 

CSAT Answer Key 2025 FAQs

CSAT is only qualifying. You need to score 33% (66 marks), and its marks are not added to the final Prelims merit.

It will be released after the entire exam cycle is complete, usually 6–9 months after the Prelims exam.

Unfortunately, you will be disqualified from the Prelims stage. Both papers must be cleared.

No. UPSC does not release individual marks before the final results. You can only estimate using answer keys.

Several coaching institutes like PW OnlyIAS, Vision IAS, ForumIAS release detailed keys with solutions within 24–48 hours after the exam.

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Quick Revise Now !
AVAILABLE FOR DOWNLOAD SOON
UDAAN PRELIMS WALLAH
Comprehensive coverage with a concise format
Integration of PYQ within the booklet
Designed as per recent trends of Prelims questions
हिंदी में भी उपलब्ध
Quick Revise Now !
UDAAN PRELIMS WALLAH
Comprehensive coverage with a concise format
Integration of PYQ within the booklet
Designed as per recent trends of Prelims questions
हिंदी में भी उपलब्ध

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