The Union Public Service Commission (UPSC) has officially released the UPSC NDA / NA-I Answer Key 2026 for the National Defence Academy & Naval Academy Examination (I). Candidates who appeared in the written examination can now download the official Mathematics and GAT answer key PDF from the UPSC website and calculate their expected score before the result declaration. Candidates can also raise objections within the prescribed window if they find discrepancies in the provisional answer key.
Important Dates
| Event | Date |
|---|---|
| Notification Release | 10 December 2025 |
| Application Start Date | 10 December 2025 |
| Last Date to Apply | 30 December 2025 |
| NDA / NA-I Exam Date | 12 April 2026 |
| Answer Key Release Date | 16 April 2026 |
| Objection Window | 18 April – 22 April 2026 |
| Result Date | Available Soon |
UPSC NDA / NA-I Answer Key 2026 Overview
| Particulars | Details |
|---|---|
| Organization | Union Public Service Commission (UPSC) |
| Exam Name | NDA / NA Examination-I 2026 |
| Answer Key Status | Released |
| Answer Key Type | Provisional / Official |
| Exam Mode | Offline Written Exam |
| Official Website | upsc.gov.in |
NDA / NA-I Vacancy Details 2026
| Academy / Wing | Vacancy |
|---|---|
| Army Wing | 208 |
| Navy Wing | 42 |
| Air Force Wing | 120 |
| Naval Academy (10+2 Cadet Entry) | 24 |
| Total | 394 Posts |
NDA Marking Scheme 2026
| Paper | Correct Answer | Negative Marking |
|---|---|---|
| Mathematics | +2.5 Marks | -0.83 Marks |
| GAT | +4 Marks | -1.33 Marks |
Use this marking scheme to estimate your probable score after checking the answer key.
How to Download UPSC NDA / NA-I Answer Key 2026
- Visit the official UPSC website
- Open the Answer Key section
- Click on NDA / NA-I Examination 2026 Answer Key
- Select the paper (Mathematics / GAT)
- Download the PDF for your question paper set
- Match your responses carefully
Objection / Challenge Facility
Candidates who are not satisfied with any answer may raise objections through the UPSC representation portal:
- Objection Start Date: 18 April 2026
- Last Date: 22 April 2026
- Objections submitted after deadline will not be accepted.
- Final result will be prepared on the basis of revised/final answer key.
Expected NDA 1 Cut Off 2026
| Stage | Expected Cut Off |
|---|---|
| Written Exam | 355–380 Marks |
| Final Cut Off (Written + SSB) | 700–740 Marks |
Expected cutoff based on previous trends and expert analysis.
What After Answer Key?
After release of the answer key:
- Candidates can calculate expected marks
- UPSC will review objections
- Final answer key / revised key may be issued
- NDA / NA-I Result 2026 will be declared afterward
- Qualified candidates will proceed to SSB Interview
Important Links
| Download Answer Key (Maths) | Click Here |
| Download Answer Key (General Ability Test) | Click Here |
| Download Admit Card | Click Here |
| Check Admit Card Notice | Click Here |
| Check Exam Date Notice | Click Here |
| Apply Online Link | Click Here |
| Check Official Notification | Click Here |
| UPSC Official Website | Click Here |
FAQ – UPSC NDA / NA-I Answer Key 2026
Q1. Is UPSC NDA / NA-I Answer Key 2026 Released?
Yes, UPSC has released the official NDA / NA-I Answer Key on 16 April 2026.
Q2. Can I Challenge the NDA 1 Answer Key?
Yes, candidates can raise objections from 18 April to 22 April 2026.
Q3. How to Calculate NDA Score Using Answer Key?
Use the official marking scheme: +2.5/-0.83 for Maths and +4/-1.33 for GAT.
Q4. What Is the Expected NDA 1 Cut Off 2026?
The expected written cutoff is around 355–380 marks.