NDA 1 2026 exam was held on April 13, 2026 (Sunday). The unofficial NDA 1 2026 answer key for Mathematics and GAT (all sets A, B, C, D) is now available. Download the PDF, calculate your expected score, and check expected cutoff marks below.
NDA 1 2026 Answer Key Overview
| Exam Detail | Information |
|---|---|
| Exam Name | NDA & NA (I) 2026 |
| Conducting Body | UPSC |
| Exam Date | April 13, 2026 (Sunday) |
| Papers | Mathematics (Paper I) & GAT (Paper II) |
| Total Marks | 900 (Maths: 300 + GAT: 600) |
| Marking Scheme | Maths: +2.5 correct / −0.83 wrong | GAT: +4 correct / −1.33 wrong |
| Sets Available | A, B, C, D |
| Official Key Source | upsc.gov.in (released after exam) |
NDA 1 2026 Answer Key PDF – All Sets (A, B, C, D)
NCA Academy’s expert faculty releases the unofficial NDA 1 2026 answer key on exam day. Download PDFs for all sets below.
NDA 1 2026 Mathematics Answer Key (Paper I)
| Set | PDF Download |
|---|---|
| Set A | NDA Maths Set A Answer Key 2026 |
| Set B | NDA Maths Set B Answer Key 2026 |
| Set C | NDA Maths Set C Answer Key 2026 |
| Set D | NDA Maths Set D Answer Key 2026 |
NDA 1 2026 GAT Answer Key (Paper II)
| Set | PDF Download |
|---|---|
| Set A | NDA GAT Set A Answer Key 2026 |
| Set B | NDA GAT Set B Answer Key 2026 |
| Set C | NDA GAT Set C Answer Key 2026 |
| Set D | NDA GAT Set D Answer Key 2026 |
How to Calculate Your NDA 1 2026 Score
| Paper | Questions | Correct Marks | Negative Marking | Max Marks |
|---|---|---|---|---|
| Mathematics (Paper I) | 120 | +2.5 | −0.83 | 300 |
| GAT (Paper II) | 150 | +4 | −1.33 | 600 |
| Total | 270 | — | — | 900 |
Formula: Score = (Correct Answers × Marks per Correct) − (Wrong Answers × Negative Marks)
Maths Example: 65 correct + 15 wrong = (65 × 2.5) − (15 × 0.83) = 162.5 − 12.45 = 150.05 marks
NDA 1 2026 Expected Cutoff Marks
| Year | Written Cutoff (out of 900) | Final Cutoff (out of 1800) |
|---|---|---|
| NDA 1 2025 | 342 | 708 |
| NDA 2 2024 | 346 | 700 |
| NDA 1 2024 | 370 | 750 |
| NDA 2 2023 | 363 | 694 |
| NDA 1 2023 | 359 | 689 |
| NDA 1 2026 Expected | 355–380 | 700–740 |
NDA 1 2026 Exam Paper Analysis
Mathematics Paper (Paper I) – Topic-Wise
| Topic | Questions | Difficulty |
|---|---|---|
| Algebra | 20–25 | Moderate |
| Trigonometry | 15–20 | Moderate |
| Calculus | 15–20 | Moderate–Hard |
| Vector & 3D Geometry | 10–12 | Moderate |
| Statistics & Probability | 10–12 | Easy–Moderate |
| Matrices & Determinants | 8–10 | Easy |
| Sets & Functions | 5–8 | Easy |
GAT Paper (Paper II) – Subject-Wise
| Section | Topics | Questions |
|---|---|---|
| English | Grammar, Vocabulary, Comprehension | 50 |
| General Knowledge | Physics, Chemistry, Biology, History, Geography, Polity, Current Affairs | 100 |
How to Download Official NDA 1 2026 Answer Key from UPSC
- Visit upsc.gov.in
- Click Examinations then Answer Keys
- Find NDA & NA (I) 2026 Answer Key
- Download the PDF for your set (A, B, C, or D)
- Cross-check answers and calculate your score
How to Raise Objection Against NDA 1 2026 Answer Key
- Log in to the UPSC OTR portal
- Navigate to Answer Key Objection section
- Select the question number and provide justification with references
- Submit before the deadline (usually 7–10 days after key release)
- UPSC reviews valid objections and revises the final key
NDA 1 2026 Result Timeline
| Event | Expected Date |
|---|---|
| NDA 1 2026 Written Exam | April 13, 2026 |
| NCA Academy Unofficial Key | April 13, 2026 (same day) |
| UPSC Official Answer Key | April–May 2026 |
| Written Result | June–July 2026 |
| SSB Interviews | August–October 2026 |
| Final Result | November–December 2026 |
Prepare for NDA 2 2026 with NCA Academy
NCA Academy — India’s oldest defence coaching institute since 1967 — offers classroom coaching in Chandigarh and online NDA coaching batches with ex-defence officers as faculty.
- Classroom NDA coaching in Chandigarh
- Live online NDA coaching batches
- Topic-wise video lectures for Maths & GAT
- Daily practice tests and full mock papers
- SSB interview preparation by ex-defence officers
Frequently Asked Questions – NDA 1 2026 Answer Key
When will the NDA 1 2026 official answer key be released?
The official NDA 1 2026 answer key is released by UPSC on upsc.gov.in after the exam (April 13, 2026). Expected release: April–May 2026. NCA Academy unofficial key is available on this page on exam day.
What is the expected NDA 1 2026 cutoff?
Expected written cutoff: 355–380 out of 900. Final cutoff (written + SSB): 700–740 out of 1800.
How to calculate NDA 1 2026 score?
Maths: +2.5 per correct, −0.83 per wrong. GAT: +4 per correct, −1.33 per wrong. Unattempted questions carry zero marks.
How to download NDA 1 2026 answer key PDF?
Download NCA Academy unofficial key from this page on exam day, or download the official UPSC PDF from upsc.gov.in once released.
What sets are available in NDA 1 2026 answer key?
Set A, Set B, Set C, and Set D — for both Mathematics (Paper I) and GAT (Paper II).
Can I challenge the NDA 1 2026 answer key?
Yes. UPSC provides a challenge window (7–10 days after official release). Log in to UPSC OTR portal, submit objection with references. Valid objections are incorporated in the final key.
What happens after the NDA 1 2026 written exam?
Written result in June–July 2026. SSB interviews August–October 2026. Final merit list November–December 2026.
