The NDA 1 2026 Answer Key is one of the most awaited resources for defence aspirants who are appearing for the exam on 12 April 2026. As of now, the NDA 1 2026 answer key has not been released. It will be released after the exam, usually on the same day or later by the official authority. Candidates searching for the NDA 1 2026 answer key pdf free download will be able to access it once it is officially available. After the release, you can easily download the answer key for both Mathematics (Paper 1) and GAT from here to check your performance, calculate your score, and estimate your chances of clearing the written exam and moving ahead to the SSB Interview stage.
At GAPS SSB – Best SSB Coaching in Delhi, aspirants are guided not only for written exam preparation but also for the complete SSB process after clearing the NDA exam.
NDA 1 2026 Answer Key – Latest Updates
- 12 April 2026, 5:00 PM: Maths Answer Key Released
- 12 April 2026, 6:00 PM: GAT Answer Key Released
- 12 April 2026, 7:30 PM: Set-wise PDFs Available (A, B, C, D)
Candidates can now access the NDA 1 2026 answer key pdf download for all sets and evaluate their performance.
📥 NDA 1 2026 Answer Key PDF (All Sets – A, B, C, D)
| NDA Paper | Set A | Set B | Set C | Set D |
|---|---|---|---|---|
| Maths Answer Key (Paper 1) | Download | Download | Download | Download |
| GAT Answer Key | Download | Download | Download | Download |
| Maths Question Paper | Download | Download | Download | Download |
| GAT Question Paper | Download | Download | Download | Download |
What is NDA 1 2026 Answer Key?
The NDA 1 2026 answer key contains the correct answers to all questions asked in the exam. It is useful for:
- Checking your responses
- Calculating your expected score
- Analyzing strengths and weaknesses
- Predicting chances of selection
NDA 1 2026 Exam Overview
- Exam Name: National Defence Academy Exam
- Subjects: Mathematics & GAT
- Mode: Offline (Pen & Paper)
- Total Marks: Maths (300), GAT (600)
- SSB Interview: 900 Marks
How to Calculate NDA 1 2026 Score
Using the NDA 1 2026 answer key paper 1 and GAT answers, you can calculate your score with the marking scheme:
Marking Scheme:
- Maths: +2.5 (Correct), -0.83 (Wrong)
- GAT: +4 (Correct), -1.33 (Wrong)
Formula:
Final Marks = (Correct × Marks) – (Wrong × ⅓ × Marks)
Example (Maths):
- Correct: 80 × 2.5 = 200
- Wrong: 20 × 0.83 = 16.6
- Final Score = 183.4
Example (GAT):
- Correct: 90 × 4 = 360
- Wrong: 30 × 1.33 = 39.9
- Final Score = 320
👉 This helps you estimate your chances of clearing the cutoff.
NDA 1 2026 Question Paper PDF
Along with the NDA 1 2026 answer key pdf download, candidates can also access:
- Mathematics Question Paper (All Sets)
- GAT Question Paper (All Sets)
Practicing these papers helps in understanding the exam pattern and difficulty level.
NDA 1 2026 Exam Pattern
- Two Papers: Maths & GAT
- Duration: 2.5 hours each
- Type: Objective questions
- Language: English (Maths), English & Hindi (GAT)
NDA 1 2026 Syllabus Highlights
Mathematics:
- Algebra
- Trigonometry
- Calculus
- Matrices & Determinants
- Probability & Statistics
GAT:
- English
- Physics & Chemistry
- History & Geography
- Current Affairs
What After NDA Written Exam?
After clearing the written exam using your estimated score from the NDA 1 2026 answer key, the next step is the SSB Interview.
SSB Process (5 Days):
- Day 1: Screening (OIR + PPDT)
- Day 2: Psychology Tests (TAT, WAT, SRT, SD)
- Day 3-4: GTO Tasks & Interview
- Day 5: Conference
This stage evaluates personality, leadership, and decision-making skills.
Medical Examination
Candidates recommended by SSB undergo medical tests including:
- Height & weight check
- Vision and hearing
- Blood tests
- Physical fitness
NDA 1 2026 Preparation Tips
- Follow syllabus and exam pattern strictly
- Practice mock tests regularly
- Solve previous year papers
- Make short notes for revision
- Stay physically fit and healthy
Why Choose GAPS SSB After NDA Written Exam?
Clearing the written exam is just the first step. To succeed in the SSB Interview, proper guidance is essential.
GAPS SSB – Best SSB Coaching in Delhi provides:
- Complete SSB preparation (Psych + GTO + Interview)
- Real-time practice and mock sessions
- Personality development training
- Experienced defence mentors
- Focus on Officer Like Qualities (OLQs)
GAPS SSB helps candidates convert their written exam success into final selection.
Conclusion
The NDA 1 2026 answer key is an essential tool for analyzing your exam performance and planning your next step. By using the NDA 1 2026 answer key pdf free download, you can calculate your score, understand your standing, and prepare for the SSB Interview accordingly.
With the right strategy and expert guidance from GAPS SSB, you can move confidently toward your dream of joining the Indian Armed Forces.
FAQs
Q1. When will NDA 1 2026 answer key be released?
It is released on the same day of the exam in the evening (unofficial).
Q2. How to download NDA 1 2026 answer key pdf?
You can access the NDA 1 2026 answer key pdf download from reliable coaching sources.
Q3. How to calculate marks using answer key?
Use the marking scheme and formula to estimate your score.
Q4. What is NDA 1 2026 answer key paper 1?
It refers to the Mathematics answer key.
Q5. What after NDA written exam?
Candidates who clear the exam appear for the 5-day SSB Interview.















