UPSC Prelims Answer Key 2025 Out (Unofficial), Download Key PDF
Deeksha Dixit28 May, 2025
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UPSC Prelims Answer Key 2025 PDF: The UPSC Preliminary Examination answer key offers candidates an official reference to verify their responses. As the UPSC Prelims 2025 has been conducted on May 25, 2025, the dedicated faculty of PW ONLYIAS has curated the unofficial UPSC Prelims Answer Key 2025 and it has been released for UPSC GS 1 Paper Sets A, B, C, and D. Candidates can also download official USPC Prelims GS Paper 1 Answer key 2025 PDFs from here once it is released.
UPSC Prelims Answer Key 2025
The Union Public Service Commission (UPSC) will release the official UPSC Prelims Answer Key 2025 for all sets (A, B, C, and D) after the completion of the examination. The answer key serves as an essential tool for aspirants to evaluate their responses, calculate tentative scores, and estimate their chances of clearing the cutoff. Candidates will be able to download the UPSC Answer Key 2025 from the official website — upsc.gov.in/examinations/answer-key.
| UPSC Prelims Answer Key 2025 | |
| UPSC Prelims Exam Date | May 25, 2025 |
| Conducting Body | Union Public Service Commission (UPSC) |
| Mode of Exam | Offline (Pen and Paper) |
| Number of Papers |
2 (General Studies Paper I and General Studies Paper II - CSAT)
|
| Type of Questions | Objective (Multiple Choice Questions) |
| Total Marks | 400 (200 marks per paper) |
| Duration | 2 hours per paper |
| Language | English and Hindi |
| Negative Marking |
Yes (1/3rd of the marks assigned to a question for each incorrect answer)
|
UPSC Prelims Answer Key 2025 Official PDF Download
The UPSC Prelims Answer Key 2025 Official PDF will be released by the Union Public Service Commission only after the completion of the full examination cycle, including the mains and the interview stages. Aspirants should note that the official answer key serves as the final reference for answer validation and scoring and is crucial for ensuring transparency in the evaluation process. Once released, candidates can download the UPSC Prelims Answer Key 2025 Official PDF from the official UPSC website (www.upsc.gov.in) under the “Examinations” or “Answer Keys” section.
|
UPSC Prelims Answer Key 2025 Official PDF Download |
| To Be Released Soon |
The official key will include set-wise answers (Set A, B, C, D) for both General Studies Paper I and CSAT (Paper II), and will be instrumental in resolving answer disputes or clarifying ambiguities. Candidates are advised to regularly monitor the UPSC website for updates regarding its release. Until then, unofficial keys from PW OnlyIAS can be used for a provisional assessment.
UPSC Prelims Answer Key 2025 PW OnlyIAS Unofficial PDF Download
While the official key is awaited, the UPSC Prelims Answer Key 2025 PW OnlyIAS Unofficial PDF provides a credible and prompt solution for aspirants who wish to evaluate their performance immediately after the exam. Compiled by the academic team of PW OnlyIAS, this unofficial key includes accurate and professionally reviewed answers for both Paper I and Paper II.
| Q. No. | Set A | Set B | Set C | Set D |
| 1 | B | C | D | A |
| 2 | D | B | C | B |
| 3 | B | C | D | A |
| 4 | B | C | D | A |
| 5 | D | B | A | C |
| 6 | B | A | C | D |
| 7 | A | D | C | B |
| 8 | A | B | D | C |
| 9 | A | D | A | A |
| 10 | C | A | B | D |
| 11 | C | B | D | A |
| 12 | C | A | D | B |
| 13 | D | B | C | A |
| 14 | A | C | B | D |
| 15 | B | A | A | A |
| 16 | C | D | A | A |
| 17 | B | C | D | A |
| 18 | D | A | B | C |
| 19 | B | B | D | A |
| 20 | C | A | B | D |
|
UPSC Prelims Answer Key 2025 Official PDF Download |
| Click Here |
The UPSC Prelims Answer Key 2025 PW OnlyIAS Unofficial PDF Download is available in both English and Hindi, ensuring accessibility for a wider group of candidates. Additionally, the PDFs often come with detailed explanations, helping candidates understand the reasoning behind each correct answer. This is especially helpful for analysing tricky questions in CSAT and assessing areas of improvement.
How to Download UPSC Prelims Answer Key 2025 PDF?
The UPSC Answer Key 2025 will be uploaded online on the official website of the commission. Candidates can download it by following these steps:UPSC Prelims Paper 2025 Live Analysis
UPSC Prelims Answer Key 2024
The official UPSC Prelims Answer Key 2024 for both General Studies and CSAT has been released by UPSC on its website (upsc.gov.in). The exam was conducted on June 16th, 2024, while the answer keys were released on May 21st, 2025. Keep in mind that UPSC has dropped a total of three questions from its final GS Paper 1 answer key:
| UPSC Prelims Answer Key Link | |
| UPSC Prelims GS Answer Key | Click Here to Download |
| UPSC Prelims CSAT Answer Key | Click Here to Download |
UPSC Prelims Marking Scheme 2025
The UPSC Prelims Marking Scheme 2025 is a formula that is used to count the scores of candidates after evaluating their OMR sheets. As you proceed to download the UPSC Prelims Answer Key Year Wise PDFs, understand the marking scheme of the exam and apply it to calculate the overall scores.| UPSC Prelims Marking Scheme | ||
| Particular | Paper 1 GS | Paper 2 CSAT |
| Correct Answer | +2 Marks | +2.5 Marks |
| Incorrect Answer | -0.66 Marks | -0.83 Marks |
| Unanswered | 0 | 0 |
| Total Questions | 100 | 80 |
| Total Marks | 200 Marks | 200 Marks |
Download UPSC Prelims Answer Key Year Wise PDF
The UPSC Prelims are qualifying in nature, yet candidates cannot ignore this stage. As soon as you download the UPSC previous year's question papers, download the respective answer keys as well. Here, year-wise UPSC answer keys have been provided from 2017 to 2023 for GS and CSAT papers:| Year Wise UPSC Answer Key for Prelims | ||
| Year | UPSC GS Paper 1 Answer 2024 Key PDF | UPSC CSAT Answer Key 2024 PDF |
| 2024 | Download Link | Download Link |
| 2023 | Download Link | Download Link |
| 2022 | Download Link | Download Link |
| 2021 | Download Link | Download Link |
| 2020 | Download Link | Download Link |
| 2019 | Download Link | Download Link |
| 2018 | Download Link | Download Link |
| 2017 | Download Link | Download Link |
UPSC Prelims Answer Key 2023
The UPSC Prelims were held on 28 May 2023, and candidates are eagerly waiting for the official answer key since the announcement of the results on 12 June 2023. The set-wise UPSC Prelims Answer Key 2023 for GS and CSAT has been released on 9 May 2024. The direct link can be found in the table below:| UPSC Prelims Answer Key 2023 All Set PDF | |
| General Studies I | Click Here to Download |
| General Studies II (CSAT) | Click Here to Download |
UPSC Prelims Answer Key 2022
The UPSC Prelims 2022 concluded on 05 June 2022, and its answer key was uploaded after the final results were declared. Candidates, while solving the UPSC 2022 prelims question paper, must consult the official answer keys. The compiled PDF of UPSC Prelims Answer Key 2022 for all sets can be downloaded from the following links:| UPSC Prelims Answer Key 2022 All Set PDF | |
| General Studies I | Click Here to Download |
| General Studies II (CSAT) | Click Here to Download |
UPSC Prelims Answer Key 2021
The UPSC Prelims Answer Key 2021 for the exam that was held on October 10, 2021, is available on the official website. The direct link to download the answer keys for Sets A, B, C, and D of the GS and CSAT question papers is available in the table below:| UPSC Prelims Answer Key 2021 All Set PDF | |
| General Studies I | Click Here to Download |
| General Studies II (CSAT) | Click Here to Download |
UPSC Prelims Answer Key 2020
The UPSC Prelims GS paper was held in the morning shift, and the CSAT was held in the evening shift on October 4, 2020. In the GS paper, there were, as usual, 100 questions, and in the CSAT, there were 80 questions. The set-wise answer keys for these papers can be found in the table below:| UPSC Prelims Answer Key 2020 All Set PDF | |
| General Studies I | Click Here to Download |
| General Studies II (CSAT) | Click Here to Download |
UPSC Prelims Answer Key 2019
The UPSC 2019 prelims question paper with answer key was released after the final results in 2020. Candidates must download the answer keys for the GS and CSAT papers before solving the question papers of 2019. The direct link to UPSC Prelims Answer Key 2019 PDFs is provided here:| UPSC Prelims Answer Key 2019 All Set PDF | |
| General Studies I | Click Here to Download |
| General Studies II (CSAT) | Click Here to Download |
UPSC Prelims Answer Key FAQs
Will UPSC release the prelims answer key for 2024?
Where can I find the official UPSC answer key?
How many marks are allotted for correct answers in UPSC Prelims?
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