The UPSC Prelims 2025 will be conducted on 25th May, and soon after the exam, The IAShub team will release the Unofficial UPSC Prelims Answer Key 2025 with Solutions. These answer keys for GS Paper 1 and CSAT will be available in both English and Hindi, covering all sets (A, B, C, D). Aspirants can download the PDFs, compare their answers, and calculate their estimated scores. This article provides complete guidance on downloading the answer key, understanding solutions, and estimating marks accurately.
The Union Public Service Commission (UPSC) will conduct the Civil Services Preliminary Examination 2025 on 25th May 2025. This examination marks the first stage of India’s most prestigious recruitment process for services like IAS, IPS, IFS, and others. While lakhs of aspirants will appear for the exam, the wait for the official answer key can be long, as it is released only after the declaration of the final result.
To help aspirants evaluate their performance early, the IAShub team will release the UPSC Prelims Answer Key 2025 With Solution right after the exam. These answer keys will include detailed explanations for both GS Paper 1 and GS Paper 2 (CSAT), prepared by our experienced educators and subject experts. This will help candidates estimate their scores, analyze their attempts, and plan for the next stages effectively.
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The UPSC Civil Services Preliminary Examination 2025 is scheduled to be held on 25th May 2025 in two shifts — GS Paper 1 from 9:30 AM to 11:30 AM and CSAT (Paper 2) from 2:30 PM to 4:30 PM.
While the official UPSC Prelims Answer Key 2025 will only be released after the entire exam cycle — including Mains, Interviews, and the Final Result — is completed, aspirants won’t have to wait that long. Just after the exam, The IAShub of subject experts will release the Unofficial UPSC Prelims Answer Key 2025 with Detailed Solutions.
These solutions will not just provide the correct options but will also explain the logic, elimination techniques, and concept clarity behind each answer — making it easier for aspirants to evaluate their performance and calculate their expected score with confidence.
| Exam Name | UPSC Civil Services Prelims 2025 |
| Exam Date | 25th May 2025 |
| Answer Key Type | Unofficial (by The IAShub Team) |
| Papers Covered | GS Paper 1 and GS Paper 2 (CSAT) |
| Languages Available | Hindi and English |
| Answer Key Format | PDF With Detailed Solutions |
| Official Answer Key Release | After Final Result |
UPSC Prelims Answer Key 2025 With Solutions in English (Available Soon)
GS Paper 1 covers subjects like History, Geography, Polity, Economy, Environment, and Current Affairs. The IAShub team will provide set-wise answer keys (Set A, B, C, D) for this paper along with solutions in Hindi and English.
UPSC Prelims GS Paper 1 Answer Key 2025 With Solution (Available Soon)
Also Check Prelims CSAT Exam Analysis 2025 (Out Soon)
The CSAT paper (General Studies Paper 2) is qualifying in nature, but crucial. Candidates must score at least 33% (66 marks) to clear it. Despite its qualifying status, many aspirants lose out on prelims selection due to poor CSAT performance.
The UPSC Prelims CSAT Answer Key 2025 with solution will help candidates evaluate their performance in comprehension, logical reasoning, data interpretation, and basic numeracy.
UPSC Prelims CSAT Answer Key 2025 With Solution (Available Soon)
Also, Check the CSAT Question Paper 2025
To ensure accessibility for a wide range of aspirants, the UPSC Prelims Answer Key 2025 With Solutions will be available in both English and Hindi. This makes it easier for both English medium and Hindi medium candidates to understand the explanations and verify their answers.
UPSC Prelims Answer Key 2025 With Solutions in Hindi (Available Soon)
Also Check UPSC Prelims Previous Years Papers
UPSC Prelims 2025 Answer Key of all sets of General Studies-I (GS-I) Paper can be accessed at the following link.
| UPSC Prelims 2025 GS-I Set | Answer Key PDF |
| GS-I, Set A | UPSC Prelims 2025 GS-I Answer Key |
| GS-I, Set B | |
| GS-I, Set C | |
| GS-I, Set D |
UPSC Prelims 2025 Answer Key and solution of all sets of CSAT Paper can be accessed at the following link.
| UPSC Prelims 2025 CSAT Set | Answer Key PDF |
| CSAT, Set A | UPSC Prelims 2025 CSAT Answer Key & Solution |
| CSAT, Set B | |
| CSAT, Set C | |
| CSAT, Set D |
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info@theiashub.comContact Us:
+91 95600-82909*theIAShub is a coaching institute and a study platform, it’s a comprehensive mentorship driven program for UPSC success.*
Are you dreaming of becoming an IAS officer? Then, IAShub can be your best guide. It is one of the Best IAS Coaching in Delhi. Many students who want to clear the UPSC exam join IAShub for learning. The institute gives both online and offline classes. Their teachers are experienced and helpful. They easily explain every topic. Students also get notes, tests, and tips to do well in the exam.
IAShub is in Delhi and is trusted by many UPSC students. It offers coaching for every part of the UPSC exam – Prelims, Mains, and Interview. The classes are simple and easy to understand. The teachers are experts and guide students in the right way. IAShub is also known for its helpful notes, test series, and answer-writing practice. IAShub is the best coaching in Delhi and also gives UPSC Online Classes. This helps students from any place in India to learn. The online classes are live and also recorded. So, students can watch them anytime. These classes cover the full UPSC syllabus.
Here are some important services provided by IAShub:
The UPSC Civil Services Exam has three parts:
This exam is tough, but with the right guidance, it becomes easy to manage. Students must study smart and stay regular.
IAShub supports students from the beginning to the end. It gives the right books, tests, and notes. The classes are easy to follow, and the teachers are always ready to help. Students get personal doubt sessions too. The test series and answer checking help students learn where they need to do better. Also, free study materials save time and money.
IAShub also guides students during the final stage – the interview. Experts take mock interviews and give useful tips. This full support makes IAShub one of the best IAS coaching in Delhi.
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