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Download UPSC Prelims Answer Key Year Wise PDF (2017–2026), including the latest UPSC Prelims Provisional Answer Key 2026 for GS Paper 1 and CSAT. Check previous year answer keys, analyze exam trends, improve accuracy, and strengthen your UPSC Prelims preparation strategy.
UPSC Prelims Answer Keys Year Wise PDFs are highly useful resources for candidates preparing for the Civil Services Examination conducted by the Union Public Service Commission. These answer keys help aspirants evaluate previous year papers, understand UPSC’s question-solving approach, analyze answer patterns, and improve accuracy in solving objective-type questions.
The UPSC Prelims examination consists of:
Practicing previous year answer keys along with question papers helps candidates understand:
The UPSC Prelims Answer Key 2026 for both GS Paper 1 and CSAT is now available for candidates after the successful completion of the examination conducted on 24 May 2026. Along with the latest provisional answer key 2026, candidates can also access year-wise previous UPSC Prelims answer keys for better preparation and performance analysis.
The Union Public Service Commission (UPSC) has released the UPSC Prelims Provisional Answer Key 2026 for the Civil Services Preliminary Examination held on 24 May 2026. Candidates who appeared for the exam can now download the provisional answer key PDF for both General Studies Paper 1 and CSAT (General Studies Paper 2) to check their responses and estimate their probable scores. UPSC has listed the provisional answer key for Civil Services (Preliminary) Examination 2026 under its latest updates.
The provisional answer key helps aspirants evaluate their exam performance, identify correct and incorrect attempts, and understand their chances of qualifying for the next stage of the selection process. Candidates should note that this is a provisional answer key, and if UPSC allows representations, objections may be submitted as per the official guidelines.
UPSC Prelims Provisional Answer Key 2026 is now available and helps aspirants evaluate their performance in the Civil Services Preliminary Examination. The provisional answer keys for both General Studies Paper I and CSAT (General Studies Paper II) are now available after the successful completion of the UPSC Prelims Exam conducted on 24 May 2026. Both papers were objective-type MCQ examinations.
Candidates can access the set-wise UPSC Prelims Answer Key 2026 for both GS Paper 1 and CSAT Paper 2 to match their responses and estimate their scores. The official UPSC answer keys will later be released on the official website, upsc.gov.in, after the completion of the examination process.
Candidates can use the UPSC Prelims Answer Key 2026 to:
The UPSC Prelims Answer Key is officially released by UPSC after the entire examination cycle, including the final results, is complete. While it may not benefit candidates who have already taken the exam, it is extremely useful for those preparing for the upcoming attempt. By comparing the official answer key, aspirants can understand how answers to tricky or disputed questions are decided. This helps improve accuracy and build a better question-solving approach for future exams. Below, you can find year-wise answer keys for General Studies (GS) and CSAT papers to aid your preparation.
UPSC Prelims Answer Key Year-wise
Year of Examination
General Studies Paper
CSAT Paper
2026
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2025
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2024
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2023
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2022
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2021
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2020
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2019
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2018
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2017
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Check Out UPSC CSE Books From PW Store
The Union Public Service Commission (UPSC) conducted the Civil Services (Preliminary) Examination on May 25, 2025. The UPSC CSE Preliminary Examination was held in two shifts, the first shift was from 9:30 AM to 11:30 AM, and the second shift was from 2:30 PM to 4:30 PM. The official UPSC Prelims Answer Key 2025 was released by UPSC after the completion of the entire examination cycle of 2025, including the Mains and Interview stages.
UPSC Prelims Answer Key 2025 Link
UPSC Prelims Answer Key 2025 GS Paper 1 PDF
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UPSC Prelims Answer Key 2025 GS Paper 2 (CSAT) PDF
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The UPSC Prelims Exam 2024 was conducted on 16th June 2024. The results of the Prelims Exam were declared on 1st July 2024. The UPSC Prelims Answer Key 2024 was updated by the Union Public Service Commission (UPSC) on 21st May 2025. The answer keys for both papers can be downloaded from the table below:
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UPSC Prelims Answer Key 2024 All Sets |
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| General Studies (Paper 1) | Download from Here |
| CSAT (Paper II) | Download from Here |
UPSC prelims exam 2023 was conducted on May 28, 2023. On June 12, 2023, the results of the prelims exam were declared. The answer key for both papers can be downloaded from the table below:
UPSC Prelims Answer Key 2023 All Sets
General Studies (Paper 1)
Download from Here
CSAT (Paper II)
Download from Here
UPSC conducted the prelims examination on June 5, 2022. The answer key was released in May 2023, after the declaration of the final result. The final answer key can be downloaded from links below:
UPSC Prelims Answer Key 2022 All Sets
General Studies (Paper 1)
Download from Here
CSAT (Paper II)
Download from Here
UPSC prelims exam 2021 was conducted on October 10th, 2021. The final answer key for all the sets can be downloaded from the links below:
UPSC Prelims Answer Key 2021 All Sets
General Studies (Paper 1)
Download from Here
CSAT (Paper II)
Download from Here
UPSC prelims 2020 was held on October 4th, 2020. The final answer key for all the question paper sets can be downloaded from links given below:
UPSC Prelims Answer Key 2020 All Sets
General Studies (Paper 1)
Download from Here
CSAT (Paper II)
Download from Here
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UPSC conducted prelims 2019 on June 2nd 2019. The links to download answer keys of both the papers can be found below:
UPSC Prelims Answer Key 2019 All Sets
General Studies (Paper 1)
Download from Here
CSAT (Paper II)
Download from Here
Candidates can follow these steps to download answer keys:
Official UPSC Website:
UPSC Official Website
Check Out UPSC CSE Books
Visit PW Store
Candidates can download the PDFs from the official UPSC website or trusted educational portals.
Yes, UPSC releases answer keys for both GS Paper 1 and CSAT.
They help candidates understand exam trends, improve accuracy, and strengthen preparation strategy.
Recent years’ answer keys, especially from 2020 onwards, are highly useful because they reflect the latest UPSC exam pattern.
Traditionally, UPSC released answer keys after the recruitment cycle, but recent reforms suggest provisional answer keys may now be released earlier.
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