NDA-2 2026 Maths and GAT Answer Key (All Sets)

The Union Public Service Commission (UPSC) conducted the NDA-2 2026 examination on 13th September 2026 for admission to the National Defence Academy (NDA) and Naval Academy. The written examination was conducted at various centres across India.

Candidates who appeared for the NDA-2 2026 exam can check the Mathematics and General Ability Test (GAT) answer keys in this article. Centurion Defence Academy has provided the NDA-2 2026 answer keys for all sets of the Mathematics and GAT papers to help candidates evaluate their performance after the examination.

The answer keys allow candidates to compare their attempted answers with the expected correct answers and calculate their probable scores before the official NDA-2 2026 result is announced.

NDA-2 2026 Answer Key

There were two papers in the NDA-2 2026 written examination:

Mathematics
General Ability Test (GAT)

Both papers were conducted in four different sets: Set A, Set B, Set C, and Set D.

The NDA-2 2026 answer keys for all sets are provided below in PDF format. The answer keys are prepared by the expert faculty and subject matter experts of Centurion Defence Academy.

PAPER – SETS – ANSWER KEYS DOWNLOAD LINKS

MATHEMATICS

Set	Answer Key
A	NDA-2 2026 MATHEMATICS ANSWER KEY Set A
B	NDA-2 2026 MATHEMATICS ANSWER KEY Set B
C	NDA-2 2026 MATHEMATICS ANSWER KEY Set C
D	NDA-2 2026 MATHEMATICS ANSWER KEY Set D

GENERAL ABILITY TEST (GAT)

Set	Answer Key
A	NDA-2 2026 GAT ANSWER KEY Set A
B	NDA-2 2026 GAT ANSWER KEY Set B
C	NDA-2 2026 GAT ANSWER KEY Set C
D	NDA-2 2026 GAT ANSWER KEY Set D

How Will the NDA-2 2026 Answer Key Help Candidates?

The NDA-2 2026 answer key can help candidates assess their performance before the official result is released. By checking the answer key, candidates can:

Calculate their probable NDA-2 2026 score.
Compare their attempted answers with the expected correct answers.
Identify questions they answered incorrectly.
Analyse their strengths and weaknesses in Mathematics and GAT.
Get an approximate idea of their chances of clearing the written examination.
Compare their expected score with previous years’ NDA cut-off trends.
Start preparing for the SSB interview if their estimated score appears competitive.
Identify areas that require more attention if they are preparing for the next NDA examination.

Candidates should remember that the score calculated using an unofficial answer key is only an estimated score. The final marks will be determined according to the official evaluation process of UPSC.

NDA-2 2026 Expected Cut-Off

After checking the answer key, candidates may want to know whether their estimated score is likely to clear the NDA written cut-off.

However, the actual NDA-2 2026 cut-off will be known only after the result is declared. The cut-off can vary from one examination to another depending on factors such as the difficulty level of the papers, the number of candidates, and overall performance.

Therefore, candidates should avoid relying entirely on unofficial cut-off predictions. Instead, they should use the answer key to get a general idea of their performance and continue preparing for the next stage.

The selected candidates from the written test phase of the NDA examination will appear for the SSB interview. The selection in the National Defence Academy is done on the basis of the overall performance of the candidate, both in the written test and the SSB interview.

Start Your SSB Preparation with Centurion Defence Academy

If your NDA-2 2026 answer key analysis suggests that you are likely to clear the written examination, the next step is to start preparing for the SSB interview.

Candidates should not necessarily wait for the official result before beginning SSB preparation. The waiting period can be used to understand the SSB process, practise different tests, and work on areas that require improvement.

Centurion Defence Academy’s SSB Course is designed to help aspirants prepare for the different stages of the SSB interview through structured training, practice, and expert guidance.

Key features of SSB preparation at Centurion Defence Academy include:

Complete SSB Preparation: Guidance for major stages of the SSB process, including OIR, PPDT, Psychology Tests, GTO Tasks, Personal Interview, and Conference.
OIR & PPDT Practice: Regular practice to improve reasoning, observation, speed, discussion, and expression.
Psychology Test Preparation: Practice and guidance for TAT, WAT, and SRT.
GTO Training: Preparation focused on teamwork, communication, leadership, planning, and problem-solving.
Personal Interview Guidance: Help candidates approach the interview with greater confidence and communicate their thoughts clearly.
Personality Development: Focus on communication, confidence, decision-making, teamwork, and other qualities assessed during the SSB.
Mock SSB Practice: Practice sessions help candidates become familiar with the SSB environment and assessment process.
Expert Mentorship: Candidates receive structured guidance throughout their SSB preparation.
Early Preparation Advantage: Starting preparation after the written examination gives candidates additional time to understand the process and improve their performance.
NDA-Focused Preparation: The course is suitable for candidates who have appeared for NDA-2 2026 and are preparing for the next stage of the selection process.

Why Should You Start SSB Preparation Early?

Clearing the NDA written examination is an important milestone, but it is only one stage of the selection process. Candidates who qualify the written examination are called for the SSB interview, where they are assessed on different aspects of their personality and suitability for a career in the Armed Forces.

SSB preparation is not limited to memorising answers. Candidates need to become familiar with the assessment process and develop the ability to express themselves, work in a group, handle situations, communicate effectively, and demonstrate leadership potential.

Starting early can help candidates:

Understand the complete SSB procedure.
Become familiar with OIR and PPDT.
Practise psychological tests.
Improve communication and confidence.
Participate in GTO activities and group discussions.
Prepare for the personal interview.
Identify and work on individual areas of improvement.
Become more comfortable with the SSB environment.

Therefore, if your NDA-2 2026 estimated score gives you confidence about clearing the written examination, using this time for SSB preparation can help you stay ahead.

NDA-2 2026 Selection Process

The NDA selection process consists of multiple stages. Candidates first have to qualify the written examination conducted by UPSC.

The broad selection process includes:

NDA Written Examination
SSB Interview
Medical Examination
Final Merit List

NDA-2 2026 Answer Key – Important Points

Candidates should keep the following points in mind while using the NDA-2 2026 answer key:

Check the answer key corresponding to the set attempted in the examination.
Calculate the probable score carefully according to the applicable marking scheme.
Remember that the Centurion Defence Academy answer key is an unofficial answer key.
The final score will be based on the official evaluation by UPSC.
Do not consider an estimated score as confirmation of qualification.
Candidates expecting to clear the written examination should start SSB preparation early.
Candidates who do not qualify should analyse their performance and identify areas for improvement before the next NDA attempt.

Conclusion

The NDA-2 2026 answer key is a useful tool for candidates to evaluate their performance, estimate their probable score, and understand their chances of qualifying for the written stage. However, candidates should not wait for the official result to begin preparing for what comes next.

If your estimated score is close to or above the expected cut-off, start your SSB preparation now. The SSB interview requires consistent practice, familiarity with the testing process, and focused work on communication, confidence, reasoning, teamwork, and leadership skills.

With its structured SSB Course, Centurion Defence Academy helps NDA aspirants prepare for the different stages of the SSB interview through guided practice, mock assessments, and expert mentorship.

Check your NDA-2 2026 answer key, analyse your score, and take the next step towards your NDA dream with focused SSB preparation.

Frequently Asked Questions (FAQs)

What should I do after checking the NDA-2 2026 answer key?

Candidates should analyse their estimated score. If they expect to qualify for the written stage, they should start SSB preparation early rather than waiting for the official result.

What does the NDA SSB interview assess?

The SSB interview assesses candidates through different stages, including OIR, PPDT, Psychology Tests, GTO Tasks, Personal Interview, and Conference, to evaluate their suitability for a career in the Armed Forces.

Does Centurion Defence Academy provide SSB preparation for NDA aspirants?

Yes. Centurion Defence Academy offers an SSB Course covering the major stages of the SSB process, including OIR, PPDT, Psychology Tests, GTO, Personal Interview, and other aspects of SSB preparation.

Should I start SSB preparation before the NDA-2 2026 result?

Yes. Candidates who expect to clear the written examination can start SSB preparation before the results. Early preparation provides more time to understand the SSB process, practise different tests, and improve communication, confidence, teamwork, and leadership skills.

What if my NDA-2 2026 score is below the expected cut-off?

If your estimated score is below the expected cut-off, you can use your answer-key analysis to identify weak areas and begin preparing for the next NDA examination. Reviewing mistakes and improving your Mathematics and GAT preparation can help you perform better in the next attempt.