upsc cse prelims 2025 answer key pdfout
Home Sample Paper UPSC Prelims 2025 Answer Key PDF Out: GS Paper 1 & CSAT

UPSC Prelims 2025 Answer Key PDF Out: GS Paper 1 & CSAT

Muhammad Hasim Sheikh May 28, 2025 1K Reads

UGC Notice

The Union Public Service Commission (UPSC) has officially conducted the Civil Services Preliminary Examination 2025. The exam was held in two shifts — the first from 9:30 AM to 11:30 AM (General Studies Paper 1), and the second from 2:30 PM to 4:30 PM (GS 2-CSAT). After the prelims exam, students were seen feeling relieved and relaxed, as their months of hard work and consistent preparation had finally been put to the test.

UPSC CSE Prelims 2025 - What Next?

UPSC Aspirants across India are now eagerly waiting for the Answer Key to match their responses. The official Answer Key for UPSC CSE Prelims 2025 is yet to be released. However, coaching institutes and experts have released their solutions within hours of the exam. If you're curious to estimate your scores, understand the question trends, or analyze your chances in the UPSC Prelims 2025, you can refer to these unofficial answer keys. In this article, we have provided the answer keys of all the prominent UPSC Coaching centres across the country. 

What is the UPSC Civil Services Prelims 2025 Answer Key?

The UPSC Civil Services Prelims 2025 Answer Key is a set of solutions to the questions asked in the Preliminary Examination. The official answer key for the prelims exam will be released by the UPSC in the next few days. However, if you’ve just walked out of the UPSC exam hall with mixed feelings, the unofficial answer key is your best friend right now. Top coaching institutes and UPSC mentors often release their answer key on the same day of the exam.  You can check your responses, get a rough idea of your score, and even predict your chances of clearing the cutoff. 

UPSC CSE Prelims 2025 Answer Keys: General Paper 1 (GS Paper 1)

Here is the answer key for Civil Services Prelims 2025 General Paper 1 (GS Paper 1) of the Top 10 UPSC Coaching Institutes in India.

You can download by clicking on the links below:

Coaching Institute 

Answer Key (General Paper 1)

Vision IAS

Uploading Soon

Vajiram and Ravi

Download PDF(SET A)

Download PDF(SET B)

Download PDF(SET C)

Download PDF (SET D)

Drishti IAS

Uploading Soon

PhysicsWallah (PW)

Uploading Soon

ClearIAS

Uploading Soon

ForumIAS

Download PDF (SET A)

Download PDF(SET B)

Download PDF(SET C)

Download PDF(SET D)

IASbaba

Uploading Soon

Rau’s IAS

Uploading Soon

Insights IAS

Download PDF (SET A)

Download PDF(SET C)

Download PDF (SET D)

Plutus IAS

Uploading Soon

UPSC CSE Prelims 2025 Answer Keys: CSAT (GS Paper 2)

Here is the answer key for Civil Services Prelims 2025 CSAT  (GS Paper 2) of the Top 10 UPSC Coaching Institutes in India:

Coaching Institute 

Answer Key (CSAT)

Vision IAS

Uploading Soon

Vajiram and Ravi

Uploading Soon

Drishti IAS

Uploading Soon

PhysicsWallah (PW)

Uploading Soon

ClearIAS

Uploading Soon

ForumIAS

Uploading Soon

IASbaba

Uploading Soon

Rau’s IAS

Uploading Soon

Insights IAS

Uploading Soon

Plutus IAS

Uploading Soon

How to Calculate Your UPSC CSE Prelims 2025 Score Using the Answer Key?

Paper 

Total Questions 

Marks per Correct Answer

Negative Marking (Per Wrong Answer)

GS Paper 1

100

+2

-0.66

CSAT

80

+2.5

-0.83

Remember:

  • Only Paper 1 (GS) counts towards the cutoff.
  • CSAT is qualifying only — you need to score at least 33% (i.e., 66 marks) to clear it.

Simple Score Calculation Formula for UPSC CSE Prelims 2025

You can use the formula below to calculate your expected marks in UPSC Civil Services Prelims 2025 based on the answer keys of different coaching institutes-

Paper 

Formula 

GS Paper 1

(Correct × 2) – (Wrong × 0.66)

CSAT Paper 2

(Correct × 2.5) – (Wrong × 0.83)

Conclusions

The UPSC Civil Services journey is no less than a rollercoaster. With the completion of Prelims 2025, you’ve taken one of the biggest steps forward. Whether you’re confident about your attempt or still replaying a few tricky questions in your head, checking the answer keys is a great way to get some clarity. Evaluate your performance and reflect on your next steps. Your performance in prelims will decide whether you gearing up for Mains or not. If you are not confident about your performance, then remember that one exam doesn’t define your worth. Our discipline, effort, and dedication never go in vain. 

FAQs (Frequently Asked Questions)

UPSC usually releases the official answer key for the prelims a few weeks after the exam is completed. Until then, you can refer to unofficial answer keys by top coaching institutes.
 

Yes, while they may not be 100% accurate, answer keys from reputed institutes like Vision IAS, Vajiram & Ravi, and ForumIAS are generally well-analyzed and trustworthy for estimating your score.
 

No. CSAT is a qualifying paper. You only need to score 33% (66 marks) in CSAT. The cutoff is calculated only based on GS Paper 1.
 

While it varies year to year, a safe score is usually 85+ for GS Paper 1 (General category). However, this can change based on paper difficulty and competition.
 

No. UPSC does not entertain challenges or objections once the official answer key is released.
 

profile

By Muhammad Hasim Sheikh

10 Years of Experience / Storyteller / Research-driven Writer

As an Academic Content Writer and Content strategist, I have great experience in crafting high-quality, research-based content across diverse subjects. My academic background with a doctorate in business Management allows me to create informative and engaging academic materials for students, educators, and institutions. I have expertise in developing well-researched course materials, academic blog

Every query is essential.

Our team of experts, or experienced individuals, will answer it within 24 hours.

Ask any Question - CV Forum

Recommended for you

Tired of dealing with call centers!

Get a professional advisor for Career!

LIFETIME FREE

Rs.1499(Exclusive offer for today)

Pooja

MBA 7 yrs exp

Sarthak

M.Com 4 yrs exp

Kapil Gupta

MCA 5 yrs exp

or

avatar
avatar
avatar
GET A CALL BACK

Career Finder

(Career Suitability Test)

Explore and Find out your Most Suitable Career Path. Get Started with our Career Finder Tool Now!

Get Started

ROI Calculator

Find out the expected salary, costs, and ROI of your chosen online university with our free calculator.

Calculate ROI

avatar
avatar
avatar
Talk to Career Experts