NDA 2026 Complete Guide | Eligibility, Exam Pattern, Syllabus & Preparation
The National Defence Academy (NDA) examination stands as one of India’s most prestigious defense entrance tests, opening doors to careers as officers in the Indian Army, Navy, and Air Force. With the NDA 1 2026 examination scheduled for April 12, 2026, aspirants have a crucial window to prepare thoroughly for this life-changing opportunity. This comprehensive guide, brought to you by Ground Zero Defence Academy, provides all essential information to help you navigate your NDA 2026 journey with confidence and clarity.
Introduction: Your Gateway to Defense Excellence
The NDA 2026 examination represents more than just an entrance test—it’s your pathway to serving the nation with honor and distinction. As India’s premier tri-service academy, the National Defence Academy selects candidates who demonstrate not only academic excellence but also the leadership qualities and character essential for military service. With both written examination and Services Selection Board (SSB) interview stages, the selection process thoroughly evaluates candidates’ intellectual capabilities, personality traits, and officer potential.
Ground Zero Defence Academy has been a trusted partner in defense exam preparation, helping thousands of aspirants achieve their dreams of joining the armed forces. Our proven methodologies, expert faculty, and comprehensive study materials have consistently produced successful candidates who have gone on to serve the nation with distinction.
Eligibility Criteria: Who Can Apply for NDA 2026
Age Limit Requirements
The NDA 2026 age limit is strictly defined by UPSC guidelines:
- NDA 1 2026: Candidates must be born between July 2, 2007, and July 1, 2010
- NDA 2 2026: Candidates must be born between January 2, 2008, and July 1, 2010
- Age range: 16.5 to 19.5 years at the time of examination
Nationality and Gender Requirements
Nationality: Indian nationals and subjects of Nepal are eligible to apply. Candidates from Bhutan and Tibet (refugees who came to India before January 1, 1962) may also apply with specific documentation.
Gender Eligibility: Both male and female candidates are eligible to apply for NDA 2026. This marks a significant milestone in defense recruitment, opening opportunities for women to join all three wings of the armed forces through NDA.
Marital Status: Only unmarried candidates are eligible to apply.
Educational Qualifications by Wing
Army Wing:
- Passed or appearing in Class 12 examination from any recognized board
- No specific subject requirements
Air Force and Naval Wings:
- Passed or appearing in Class 12 examination
- Must have studied Physics, Chemistry, and Mathematics in Class 12
Physical Fitness Standards
Height Requirements:
- Male candidates: Minimum 157 cm (162.5 cm for Air Force Flying Branch)
- Female candidates: Minimum 152 cm (163 cm for Flying Branch)
Regional Relaxations: Candidates from North Eastern Hills, Garhwal and Kumaon regions, and Gorkhas receive height relaxation of 5 cm for males and 4 cm for females.
Weight Standards: Must correspond to height as per official weight charts. Body Mass Index (BMI) should be within acceptable limits.
Vision Requirements:
- Army and Air Force: 6/6 or 6/9 vision (with or without glasses)
- Navy: 6/6 vision required for both eyes
- Color blindness disqualifies candidates for Navy and Air Force branches
Physical Endurance Standards:
- 2.4 km run: Must complete within 15 minutes
- Push-ups: Minimum 20 repetitions
- Sit-ups: Minimum 25 repetitions
- Chin-ups: Minimum 6 repetitions
- Pull-ups: Minimum 10 repetitions
Exam Pattern: Understanding the NDA 2026 Structure
Written Examination Format
The NDA 2026 written examination consists of two papers conducted in offline (pen and paper) mode:
Paper I – Mathematics:
- Duration: 2.5 hours
- Maximum Marks: 300
- Questions: 120 objective-type questions
- Marks per Question: 2.5 marks
- Negative Marking: -0.83 marks for each incorrect answer
Paper II – General Ability Test (GAT):
- Duration: 2.5 hours
- Maximum Marks: 600
- Questions: 150 objective-type questions
- Sections: English (50 questions, 200 marks) + General Knowledge (100 questions, 400 marks)
- Marks per Question: 4 marks
- Negative Marking: -1.33 marks for each incorrect answer
Language of Examination
SSB Interview Process
Candidates qualifying the written examination proceed to the Services Selection Board (SSB) interview, a comprehensive 5-day evaluation process worth 900 marks:
Day 1 – Screening Test:
- Officer Intelligence Rating (OIR): Verbal and non-verbal reasoning tests
- Picture Perception and Discussion Test (PPDT): Story writing and group discussion based on images
Day 2 – Psychological Tests:
- Thematic Apperception Test (TAT): Story writing on 12 pictures
- Word Association Test (WAT): Immediate responses to 60 words
- Situation Reaction Test (SRT): Responses to 60 practical situations
- Self-Description Test (SDT): Self-assessment from multiple perspectives
Day 3-4 – Group Testing Officer (GTO) Tasks:
- Group discussions and military planning exercises
- Progressive Group Tasks (PGT) and Half Group Tasks (HGT)
- Individual obstacle courses and command tasks
- Lecturette presentations
Day 5 – Conference and Personal Interview:
- Individual interviews covering academics, current affairs, and personal background
- Final assessment conference with all evaluators
- Results announcement
Syllabus Overview: Comprehensive Subject Coverage
Mathematics Syllabus
- Concept of sets, operations on sets, Venn diagrams
- Complex numbers and their properties
- Binary number system and conversions
- Arithmetic, Geometric, and Harmonic progressions
- Quadratic equations and linear inequations
- Permutations, combinations, and binomial theorem
- Logarithms and their applications
- Types of matrices and operations
- Determinants and their properties
- Adjoint and inverse of matrices
- Applications in solving linear equations
- Angles measurement in degrees and radians
- Trigonometric ratios and identities
- Multiple and sub-multiple angles
- Inverse trigonometric functions
- Applications in height, distance, and triangles
- Coordinate geometry in 2D and 3D
- Distance formulas and equations of lines
- Circle, parabola, ellipse, and hyperbola
- Direction cosines and ratios
- Differential and integral calculus
- Applications of derivatives
- Basic integration techniques
6. Statistics and Probability:
- Random experiments and sample spaces
- Probability definitions and theorems
- Conditional probability and Bayes’ theorem
- Binomial distribution

General Ability Test Syllabus
- Grammar: Spotting errors, sentence improvement
- Vocabulary: Synonyms, antonyms, word selection
- Comprehension: Reading passages and questions
- Sentence Formation: Ordering words correctly
- Mechanics: Motion, force, momentum, work, energy
- Heat and Thermodynamics: Heat transfer, temperature measurement
- Sound: Wave properties, musical instruments
- Light: Reflection, refraction, optical instruments
- Electricity and Magnetism: Current, circuits, magnetism
- Modern Physics: Atomic structure, X-rays
- Basic Concepts: Atoms, molecules, chemical equations
- Acids, Bases, and Salts: Properties and reactions
- Metals and Non-metals: Properties and uses
- Carbon Compounds: Organic chemistry basics
- Everyday Chemistry: Fertilizers, materials, industrial processes
- Biology: Human body systems, diseases, nutrition
- Environmental Science: Ecology, pollution, conservation
- Space Science: Solar system, satellites, space exploration
- Technology: Latest developments and applications
History and Freedom Movement (64 Marks):
- Ancient India: Civilizations, empires, culture
- Medieval India: Mughal period, regional kingdoms
- Modern India: British rule, freedom struggle, independence
- Post-Independence: Major events, personalities
- Physical Geography: Climate, landforms, natural resources
- Indian Geography: States, rivers, mountains, economy
- World Geography: Continents, countries, global issues
- Economic Geography: Agriculture, industries, trade
- National Events: Politics, economy, social issues
- International Affairs: Global politics, organizations
- Defense Related News: Military developments, strategies
- Sports and Culture: Major events, personalities
Application Process & Important Dates
NDA 1 2026 Timeline
- Notification Release: December 10, 2025
- Application Form Available: December 10, 2025
- Last Date to Apply: December 30, 2025
- Application Correction Window: Early January 2026
- Admit Card Release: Last week of March 2026
- Written Examination: April 12, 2026
- Result Declaration: April 26, 2026 (Expected)
NDA 2 2026 Timeline
- Notification Release: May 20, 2026
- Application Form Available: May 20, 2026
- Last Date to Apply: June 9, 2026
- Written Examination: September 13, 2026
Application Process Steps
- Visit Official Website: Go to upsc.gov.in
- OTR Registration: Complete One Time Registration if new user
- Fill Application Form: Enter personal, educational, and preference details
- Upload Documents: Photograph and signature in prescribed format
- Pay Application Fee: ₹100 for general candidates (SC/ST/Female/Defence Personnel wards exempted)
- Submit and Print: Take printout for future reference
Preparation Tips: Strategic Approach to Success
Study Plan Development
Phase 1 – Foundation Building (6 months before exam):
- Complete NCERT textbooks for Classes 11-12 Mathematics
- Study NCERT books for Classes 9-10 Science subjects
- Build strong conceptual foundation in all topics
Phase 2 – Advanced Preparation (4 months before exam):
- Practice previous year question papers
- Attempt mock tests regularly to improve speed and accuracy
- Focus on weak areas identified through practice tests
Phase 3 – Final Revision (2 months before exam):
- Intensive revision of all topics
- Daily current affairs updates from reliable sources
- Time management practice through full-length tests
Recommended Study Materials
- NCERT Mathematics textbooks (Classes 11-12)
- R.D. Sharma Objective Mathematics
- Pathfinder for NDA by Arihant Publications
- Previous year solved papers
- Wren & Martin High School Grammar
- Word Power Made Easy by Norman Lewis
- Objective General English by S.P. Bakshi
- NCERT books for History, Geography, Civics (Classes 6-12)
- Lucent’s General Knowledge
- Current Affairs magazines (Pratiyogita Darpan, Competition Success Review)
- The Hindu/Indian Express newspapers for current affairs
Physical Fitness Preparation
Endurance Training:
- Daily running practice, gradually building up to 2.4 km in under 15 minutes
- Swimming for overall fitness and stamina building
- Cycling for leg strength and cardiovascular health
Strength Training:
- Push-ups, sit-ups, and chin-ups practice
- Weight training for overall muscle development
- Flexibility exercises and yoga for injury prevention
Health Management:
- Balanced nutrition focusing on proteins and complex carbohydrates
- Adequate sleep (7-8 hours) for recovery and mental sharpness
- Regular health check-ups to ensure medical fitness
Current Affairs Strategy
- Daily newspaper reading (The Hindu recommended)
- Monthly current affairs magazines
- Defense-specific news updates
- Government policy awareness
Coverage Areas:
- National and international politics
- Economic developments and policies
- Scientific discoveries and technological advances
- Sports achievements and cultural events
- Defense-related news and military exercises
Selection Process: From Written Exam to Final Merit
Stage 1: Written Examination
Candidates must achieve minimum qualifying marks in both Mathematics and GAT sections. The cut-off varies annually based on difficulty level and number of vacancies. Typically, candidates need to score around 35-40% overall with at least 25% in each section to qualify for SSB interviews.
Stage 2: SSB Interview
The SSB interview process evaluates 15 Officer Like Qualities (OLQs) across multiple assessment methods:
Intelligence Assessment: Reasoning ability, problem-solving skills, and decision-making capacity
Personality Evaluation: Leadership potential, initiative, courage, and determination
Social Skills: Communication ability, cooperation, and influence on others
Stage 3: Medical Examination
SSB-recommended candidates undergo comprehensive medical examination covering:
- Physical Standards: Height, weight, chest measurement verification
- Vision and Hearing Tests: Detailed ophthalmological and audiological examinations
- Cardiovascular Assessment: Heart and blood vessel functionality
- General Health: Overall physical and mental fitness evaluation
Stage 4: Final Merit List Preparation
The final merit list combines scores from:
- Written Examination: 900 marks (Mathematics: 300 + GAT: 600)
- SSB Interview: 900 marks
- Total: 1800 marks for final ranking
Merit lists are prepared service-wise (Army, Navy, Air Force) based on candidate preferences and performance.
Frequently Asked Questions (FAQs)
Q1. Can female candidates apply for NDA 2026?
Yes, both male and female candidates are eligible to apply for all wings of NDA 2026. This represents a historic change allowing women to join the Indian Armed Forces through NDA.
Q2. What is the exact age cut-off for NDA 1 2026?
Candidates must be born between July 2, 2007, and July 1, 2010, making them between 16.5 to 19.5 years old.
Q3. How many times can I appear for the NDA exam?
There is no limit on the number of attempts for NDA exam, provided you meet the age eligibility criteria.
Q4. Are there any relaxations in physical standards?
Height relaxations of 5 cm for males and 4 cm for females apply to candidates from North Eastern Hills, Garhwal and Kumaon regions, and Gorkhas. No relaxation in age limits for any category.
Q5. What happens if I clear SSB but fail medical examination?
Medical failure disqualifies you from final selection. However, you can reappear for NDA in subsequent attempts if age-eligible, and previously cleared SSB experience will be valuable for future attempts.
Q6. Can I change my service preference after selection?
Service allocation depends on merit, preferences, and availability of vacancies. Changes are generally not permitted after final allocation.
Q7. What is the training duration at NDA?
NDA training lasts 3 years followed by 1 year of service-specific training at respective academies (IMA for Army, Naval Academy for Navy, Air Force Academy for Air Force).
Q8. Does Ground Zero Defence Academy offer foundation courses for NDA preparation?
Yes, Ground Zero Defence Academy provides comprehensive foundation courses specifically designed for NDA aspirants. Our foundation programs cater to students from Class 10th onwards, building strong conceptual clarity in Mathematics, Physics, Chemistry, and English fundamentals required for NDA success.
Conclusion: Your Journey to Excellence Begins Now
The NDA 2026 examination presents an extraordinary opportunity to serve the nation while building a distinguished military career. Success requires dedicated preparation, unwavering determination, and strategic approach to both academic and physical fitness components. The comprehensive selection process—from written examination through SSB interview to medical evaluation—ensures that only the most capable and committed candidates join India’s prestigious defense forces.
Ground Zero Defence Academy stands committed to supporting your NDA 2026 preparation journey with expert guidance, comprehensive study materials, and proven methodologies. Our experienced faculty, updated curriculum, and success-oriented approach have consistently helped aspirants achieve their defense career aspirations.
Begin your preparation today with confidence, knowing that with proper planning, consistent effort, and the right guidance, your dreams of joining the Indian Armed Forces through NDA 2026 are entirely achievable. The nation awaits your service—are you ready to answer the call?