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UPSC CDS Answer Key 2025 will be released online on official website, upsc.gov.in. Union Public Service Commission releases Answer Key after declaration of CDS final result.
PWOnlyIAS
April 15, 2025
UPSC CDS Answer Key 2025: The UPSC Combined Defence Services (CDS) exam I answer key for the exam that was conducted on April 13, 2025, will be released on the official website after the final results. The answer keys will be published separately for set-wise English, General Knowledge, and Elementary Mathematics papers.
Candidates who appeared for CDS I can download the unofficial answer key prepared by Physics Wallah to verify their answers and have an idea of correct answers and tentative scores. Find the link to the CDS 1 Answer Key PDF (unofficial PDF) here.
The unofficial UPSC CDS Answer Key 2025 has been released by PW to allow candidates to estimate their scores by comparing their responses with the provided solutions. The CDS 1 answer key has solutions to English, General Knowledge, and Elementary Mathematics papers in a single PDF. Use this PDF to gauge your marks and check correct answers until the official key is released:
CDS Answer Key 2025 PDF (Unofficial) – Download Link
The Union Public Service Commission (UPSC) officially releases the Combined Defence Services (CDS) Answer Key at ‘upsc.gov.in’. Candidates will be able to access the CDS 1 examination answer keys for all the subjects: Elementary Mathematics, English, and General Knowledge, separately. The answer keys provide a detailed solution to all the questions, enabling candidates to evaluate their performance and estimate their scores.
UPSC CDS Answer Key 2025 Highlights
Aspect
Details
Exam Frequency
Conducted twice a year
Mode of Exam
Offline (pen and paper-based)
Exam Duration
Number of Papers
3 (English, General Knowledge, Mathematics)
Total Marks
Status of Official Key
Yet to be released
Negative Marking
1/3rd of the marks allotted for a question
Also Read: CDS Question Paper 2025
UPSC CDS Answer key Release Date 2025 for CDS is yet to be announced. However, it is mostly released along following the final result. The CDS I and CDS II official answer keys will be released for different subjects and codes in PDF form. Through the answer key, candidates can cross-check their estimated scores. Check out the complete expected UPSC CDS Answer key Release Date 2025 schedule from here:
UPSC CDS Answer key Release Date 2025
Event
CDS 1
CDS 2
Exam Date
April 13, 2025
September 14, 2025
Official Answer Key Release
To be updated
To be updated
Also Read: CDS 1 Exam Analysis 2025
Candidates can easily download the CDS answer key through the official UPSC website. The answer key is available in PDF format for different sets of subject-wise question papers. Here is a step-by-step guide on how to download the CDS answer key for both CDS 1 and CDS 2 exams.
Calculating your score using the CDS answer key is an essential step to estimate your performance before the official results are announced. To do this accurately, it is crucial to follow the marking scheme set by the exam authorities. Below is a step-by-step guide on how to calculate your score using the CDS answer key.
Subtract the total penalty from the total marks obtained for correct answers to get your final score.
The CDS marking scheme will help candidates calculate the score based on the marks allotted to each question. Find the UPSC CDS Marking Scheme here:
UPSC CDS Marking Scheme
Parameter
Mathematics
General Ability Test (GAT)
Number of Questions
100
100
Marks per Correct Answer
+1 Mark
+1 mark
Negative Marking per Incorrect Answer
-0.33
-0.33
The official CDS answer key is released by UPSC after the objections process is complete and the final evaluation is done. This answer key is considered the definitive guide for calculating your scores and is used in the official result declaration. Here, you can check out the previous year’s UPSC CDS Official Answer Key:
| UPSC CDS Official Answer Key 2024 | |
| Subject | UPSC CDS 1 Answer Key 2024 |
| Elementary Mathematics | Download PDF |
| English | Download PDF |
| General Knowledge | Download PDF |
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