The Union Public Service Commission (UPSC) officially published the UPSC NDA Answer Key 2026 on April 16, 2026. Aspirants who participated in the written examination held on April 12, 2026, can now access their response evaluations. These evaluation documents are published in PDF format for both sections: Mathematics and the General Ability Test (GAT). Candidates aiming to join the prestigious National Defence Academy or the Indian Naval Academy (INAC) can utilize these resources to estimate their scores before the final results are declared.
To make the verification process smooth, candidates can Download UPSC NDA (Mathematics) Answer Key 2026 PDF directly or access the Download UPSC NDA (GAT) Answer Key 2026 PDF.
UPSC NDA 2026 Exam & Answer Key Timeline
Aspirants should keep track of important milestones regarding the examination cycle. The key dates are outlined below:
| Events | Dates |
|---|---|
| Answer Key Release Date | 16th April 2026 (Thursday) |
| Exam Date | 12th April 2026 |
How to Download NDA Answer Key 2026?
- Visit the official website of UPSC at www.upsc.gov.in.
- On the homepage, click on “Examination>>Answer Keys”.
- Click on the answer key link against “National Defence Academy Written Examination Answer Key 2026.”
- Calculate marks using a marking scheme.
- Download for future reference
UPSC NDA 2026- Marking Scheme & Score Calculation
Understanding the marking layout is vital for accurate estimation. The Union Service Public Commission follows a strict evaluation framework for the UPSC written tests:
- Mathematics: Total marks allotted to this section are 300 as per the NDA exam pattern. For the correct answer, candidates get 2.5 marks. For any wrong answer, 0.88 marks are deducted.
- GAT: This section carries 400 marks. Candidates for the correct answers are awarded four marks. For the incorrect answers, 1.3 marks are deducted.
- UPSC NDA Total Score: (No. of correct answers x Marks for correct answer) – (No of incorrect answers x negative marking)
| Subjects | Marks for correct answers | Marks for wrong answers | Total Score |
|---|---|---|---|
| Mathematics | 2.5 marks each question | 0.83 marks will be deducted | 300 |
| General Ability Test | 4 marks each question | 1.3 marks will be deducted | 600 |
What to Do After Checking Your Score?
Once you have finished calculating your estimated scores using the official PDFs (UPSC NDA (Mathematics) Answer Key 2026 PDF and UPSC NDA (GAT) Answer Key 2026 PDF), candidates should review their performance against expected cut-offs. Successful qualifiers should begin preparing their physical conditioning, documentation, and medical guidelines for the upcoming Services Selection Board (SSB) interview phases.
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Negative Marking & Net Score Calculator
Calculate your exact post-answer-key net marks after deducting 1/3rd or 1/4th negative penalty across SSC, UPSC, and State exams.
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