The UPSC Prelims Exam for Civil Services has been successfully conducted on 25th May 2025, and candidates who appeared in today’s exam must be looking forward to the UPSC Prelims Answer Key 2025. The official UPSC Answer Key 2025 for both GS Paper 1 and CSAT will be released after the UPSC Final Result 2025. Before that, the candidates can refer to the unofficial answer key, which has been prepared by our faculty after analysing the questions asked in the exam. UPSC CSE Answer Key will help the applicants to know their correct and incorrect responses, and they can calculate the marks that they are going to score in the UPSC Prelims exam.
UPSC Prelims Answer Key 2025
The Civil Services Examination is a national competitive examination in India conducted by the Union Public Service Commission for recruitment to higher Civil Services of the Government of India. The candidates who appeared in the UPSC Exam 2025 can cross-check & evaluate their responses with the UPSC Prelims Answer Key 2025 prepared by our faculty and will be shared in this article soon.
| UPSC Prelims Answer Key 2025 | |
| Organization | Union Public Service Commission (UPSC) |
| Name of Exam | UPSC IAS Exam 2025 |
| Vacancies | 1129 |
| Posts | IAS, IPS, IFS, IRS, etc. |
| UPSC Prelims Exam Date | 25th May 2025 |
| UPSC Answer Key 2025 [Unofficial] | 25th May 2025 |
| UPSC Answer Key 2025 [official] | After final result |
| No. of Questions | Paper 1- 100 Paper 2- 80 |
| Marking Scheme | Paper 1- 2 marks Paper 2- 2.5 marks |
| Negative Marking | Paper 1- 0.66 Paper 2- 0.83 |
| Selection process | Prelims, Mains, Interview |
| Official website | https://www.upsc.gov.in/ |
UPSC Prelims 2025 Answer Key [Unofficial]
UPSC Prelims Answer Key 2025 will help the applicants know their correct and incorrect responses and calculate the marks they will score in the Prelims exam. Before the release of the official answer key, you can have a look at the unofficial UPSC Prelims Question Paper 2025 Answer Key prepared by our experts, which will be updated here shortly.
UPSC Prelims Question Paper 2025- Click to Download
UPSC Prelims 2025 Answer Key- Marking Scheme
The aspirants can calculate their approximate marks in the UPSC Preliminary Exam with the help of the UPSC Answer Key 2025 as per the marking scheme decided by the Union Public Service Commission. UPSC CSE exam consists of 400 marks, scoring 2 marks each for the correct answer in Paper-1 & 2.5 marks in Paper-2. There will be a penalty of 0.66 marks or 1/3rd mark for each incorrect answer. The marking scheme is discussed below.
| Particulars | Paper-1 | Paper-2 |
| Correct Answer | +2 | +2.5 |
| Incorrect Answer | -0.66 | -0.83 |
| Unanswered | 0 | 0 |
| No. of Questions | 100 | 80 |
| Total Marks | 200 | 200 |
Steps to Download UPSC Answer Key 2025 [Official]
Candidates can download the official UPSC Answer Key 2025 by following the steps-
Step-1: Browse the official website of UPSC at www.upsc.gov.in.
Step-2: On the homepage, click on “Examination>>Answer Keys”.
Step-3: Click on the answer key link against “Civil Service Preliminary Examination Answer Key 2025”
Step-4: The UPSC Civil Service Preliminary Answer Key pdf is opened, download the pdf and compare your responses to those detailed in the answer key.
