Complete Guide to NDA previous year question papers PDF download 2026

Accessing authentic NDA previous year question papers PDF download files is the single most effective strategy to crack the Union Public Service Commission National Defence Academy examination, as solving past papers helps aspirants decode recurring question trends, master time management, and evaluate their conceptual readiness across Mathematics and General Ability Test sections.

What is the Exam?

The National Defence Academy (NDA) examination is a prestigious national-level entrance test conducted twice a year by the Union Public Service Commission (UPSC). It serves as the gateway for young, unmarried male and female candidates seeking admission into the prestigious Army, Navy, and Air Force wings of the NDA, as well as the Indian Naval Academy Course (INAC). Established to train future military leaders, the academy instils core values of discipline, leadership, and tactical acumen. Aspirants must clear a rigorous two-tier selection process comprising a written examination followed by the Services Selection Board (SSB) interview, which evaluates psychological aptitude, intelligence, and personality traits over five exhaustive days.

At ExamBhai, our expert panel of defence mentors has analyzed past trends to help you navigate this competitive landscape. To bridge the gap between theoretical knowledge and exam-day execution, you can practice free mock tests for Defence on ExamBhai to test your speed and accuracy under simulated pressure.

Key Highlights 2026

| Parameter | Detail || | :--- | :--- || | Conducting Body | Union Public Service Commission (UPSC) || | Exam Name | National Defence Academy and Naval Academy Examination (NDA & NA) || | Frequency | Twice a Year (NDA I and NDA II) || | Mode of Exam | Offline (Pen and Paper-based OMR test) || | Selection Stages | Written Examination & SSB Interview || | Official Website | upsc.gov.in |

Syllabus 2026

The NDA written examination is divided into two distinct papers: Mathematics and the General Ability Test (GAT). Understanding the comprehensive syllabus is vital before diving into any NDA previous year question papers PDF download.

| Paper | Subject Sections | Core Topics Covered || | :--- | :--- | :--- || | Paper I | Mathematics | Algebra, Matrices and Determinants, Trigonometry, Analytical Geometry of Two and Three Dimensions, Integral Calculus and Differential Equations, Vector Algebra, Statistics and Probability || | Paper II | Part A: English | Grammar and Usage, Vocabulary, Comprehension, and Cohesion in extended text || | Paper II | Part B: General Knowledge | Physics, Chemistry, General Science, History, Freedom Movement, Geography, and Current Events |

Exam Pattern

The structure of the NDA written exam demands rigorous preparation, as negative marking is applicable for incorrect answers. Candidates must manage their time efficiently across both papers.

| Paper Code | Subject | Duration | Maximum Marks | Marking Scheme & Negative Marking || | :--- | :--- | :--- | :--- | :--- || | Paper I | Mathematics | 2.5 Hours | 300 | +2.5 marks for correct answer, (-0.83) for incorrect answer || | Paper II | General Ability Test (GAT) | 2.5 Hours | 600 | +4.0 marks for correct answer, (-1.33) for incorrect answer |

To build exam stamina for this intensive 5-hour testing window, you should access sectional chapter tests for Defence on ExamBhai to isolate and strengthen your weak areas.

Eligibility Criteria

According to official guidelines published on the UPSC portal (upsc.gov.in), candidates must fulfil strict criteria to be eligible for the NDA examination:

• Nationality: Must be a citizen of India, a subject of Nepal, a subject of Bhutan, or a Tibetan refugee who came over to India before January 1, 1962, with the intention of permanently settling in India.
• Age Limit: Only unmarried male and female candidates born not earlier than specified cut-off dates for the respective batch (typically aged between 16.5 and 19.5 years) are eligible.
• Educational Qualification:
  • For Army Wing of NDA: Pass in Class 12th of the 10+2 pattern of school education or equivalent conducted by a State Education Board or a University.
  • For Air Force and Naval Wings of NDA and for the 10+2 Cadet Entry Scheme at the Indian Naval Academy: Pass in Class 12th with Physics, Chemistry, and Mathematics.

Application Process

Applying for the NDA examination is a seamless online process managed through the official UPSC portal. Follow these sequential steps:

1. Visit the official website at upsc.gov.in or upsconline.nic.in.
2. Complete One-Time Registration (OTR) by providing basic personal, academic, and contact details.
3. Log in using your OTR credentials and select the active 'NDA Examination' notification.
4. Fill out the application form with accurate personal details, exam center preferences, and educational qualifications.
5. Upload scanned copies of your recent passport-size photograph and signature adhering strictly to specified dimensions.
6. Pay the prescribed application fee (exempted for female candidates and candidates belonging to SC/ST categories).
7. Submit the form and download a confirmation printout for future reference.

Preparation Strategy

A top-tier preparation strategy requires blending conceptual clarity with consistent practice using previous year question papers. Follow this structured roadmap:

• Master NCERT Fundamentals: Build a rock-solid base by thoroughly reading Class 11 and 12 NCERT textbooks for Mathematics, Physics, Chemistry, and History.
• Analyze Past Papers: Utilize an NDA previous year question papers PDF download to identify high-weightage topics like Probability, Matrices, and Modern Indian History.
• Improve English Proficiency: Read standard editorial columns daily to enhance vocabulary, spotting errors, and comprehension skills for the GAT paper.
• Time Management Drills: Practice solving mock tests under strict timed conditions to prevent panic during the actual exam.

For a structured study plan, you can explore guided video solutions and test series for Defence on ExamBhai to track your daily progress.

Cut-Off Trends

Cut-off marks fluctuate based on paper difficulty and total vacancies. Based on historical data published on upsc.gov.in, qualifying cut-offs typically hover around specific thresholds:

• Written Exam Cut-Off: Usually ranges between (25%) to (35%) marks individually in each subject, with an aggregate written cut-off ranging between (320) to (360) marks out of (900).
• Final Cut-Off (After SSB): The combined score out of (1800) marks (Written + SSB) generally ranges between (700) to (730) marks for final recommendation into the academy.

Frequently Asked Questions

Can female candidates apply for the NDA exam?

Yes, eligible unmarried female candidates can apply for the NDA examination across all three wings (Army, Navy, and Air Force), subject to meeting the physical and educational standards specified by UPSC.

Where can I find authentic NDA previous year question papers PDF download links?

Authentic question papers can be downloaded directly from the official UPSC website (upsc.gov.in) under the 'Previous Question Papers' archive section, or through structured archives on dedicated preparation portals. Note: Ensure you download both Paper I (Mathematics) and Paper II (GAT) along with official answer keys for accurate evaluation.-

What is the marking scheme for the Mathematics paper in NDA?

Each correct answer in the Mathematics paper awards (+2.5) marks, while every incorrect answer incurs a penalty of (-0.83) marks (one-third of the assigned mark). Unattempted questions carry zero penalty.

Is it mandatory to score equally in both Mathematics and GAT?

Candidates must secure the minimum qualifying marks independently in both Paper I (Mathematics) and Paper II (GAT) as decided by the Commission to clear the written stage.

How many attempts are allowed for the NDA exam?

There is no restriction on the number of attempts for the NDA exam. Candidates can appear for as many attempts as long as they satisfy the prescribed age limit and eligibility criteria.

What is the role of the SSB interview after clearing the written exam?

The SSB interview is a rigorous 5-day evaluation process divided into Stage I (Screening test consisting of OIR and PPDT) and Stage II (Psychological tests, Group Testing Officer tasks, and Personal Interview) to assess the candidate's officer-like qualities (OLQs).