National Defence Academy (NDA): India’s Premier Joint Defence Service Training Institute
The National Defence Academy represents the pinnacle of military education in India, transforming young aspirants into distinguished officers of the Indian Army, Navy, and Air Force. As the nation’s premier tri-service academy, NDA has been nurturing future military leaders since 1954, producing some of the most decorated officers in Indian military history.
What is NDA (National Defence Academy)?
The National Defence Academy is a joint services academy that trains cadets for all three wings of the Indian Armed Forces simultaneously. Located in Khadakwasla, Pune, this prestigious institution offers a unique three-year undergraduate program that combines academic excellence with rigorous military training. Unlike other military academies worldwide, NDA is distinctive for its tri-service training approach, where cadets from Army, Navy, and Air Force train together before specializing in their respective services.
The academy operates under the direct supervision of the Ministry of Defence and maintains the highest standards of discipline, honor, and service to the nation. Cadets graduate with a Bachelor’s degree and commission as officers in their chosen service branch.
NDA 2026 Exam Dates and Timeline
For aspirants targeting NDA 2026, the official examination schedule has been released:
NDA 1 2026:
- Notification Release: 10th December 2025
- Application Period: 10th December to 30th December 2025
- Exam Date: 12th April 2026
- Result Declaration: 1st week of May 2026
NDA 2 2026:
- Notification Release: 20th May 2026
- Application Period: 20th May to 9th June 2026
- Exam Date: 13th September 2026
- Result Declaration: September 2026
The Union Public Service Commission (UPSC) conducts these examinations twice annually, providing multiple opportunities for dedicated aspirants to pursue their military career dreams.
NDA Eligibility Criteria 2026
Age Requirements
Candidates must be between 16.5 to 19.5 years as of the course commencement date. For NDA 1 2026, candidates should be born between July 2, 2007, and July 1, 2010.
Educational Qualifications
- Army Wing: Must have passed Class 12 from any recognized board
- Navy and Air Force Wings: Requires Class 12 with Physics, Chemistry, and Mathematics (PCM) from a recognized board
- Appearing Candidates: Students currently in Class 12 final year are eligible to apply
Marital Status and Gender
Only unmarried male and female candidates are eligible. The historic inclusion of female candidates began in 2021, marking a significant milestone in Indian military history.
NDA Exam Pattern and Structure
The NDA written examination consists of two papers conducted on the same day:
Paper 1: Mathematics
- Questions: 120 objective-type questions
- Maximum Marks: 300
- Duration: 2.5 hours
- Marking Scheme: +2.5 for correct answer, -0.83 for incorrect answer
Paper 2: General Ability Test (GAT)
- Questions: 150 objective-type questions
- Maximum Marks: 600
- Duration: 2.5 hours
- Marking Scheme: +4 for correct answer, -1.33 for incorrect answer
Total Written Exam: 900 marks over 5 hours
SSB Interview
Candidates qualifying the written exam face the Service Selection Board (SSB) Interview worth 900 marks. This comprehensive assessment spans 4-5 days and evaluates personality, intelligence, and officer-like qualities through various psychological and group tasks.
NDA Selection Process
The complete NDA selection process involves multiple stages:
- Online Application Submission through UPSC portal
- Written Examination (Mathematics + GAT)
- Result Declaration and shortlisting for SSB
- SSB Interview Stage I: Officer Intelligence Rating (OIR) and Picture Perception & Description Test (PPDT)
- SSB Interview Stage II: Personal interview, Group Testing Officer (GTO) tasks, and psychological tests
- Medical Examination at designated military hospitals
- Final Merit List preparation by UPSC
- Document Verification and admission to NDA
Why NDA Remains the Premier Choice
Academic Excellence
NDA offers undergraduate programs in Arts, Science, and Computer Science, providing a strong academic foundation alongside military training. The curriculum encompasses both theoretical knowledge and practical application, ensuring well-rounded officer development.
Character Building
The academy’s emphasis on honor, courage, and service shapes cadets into exemplary leaders. The three-year program instills values of integrity, discipline, and patriotism that define military service.
Tri-Service Training
Unlike other academies, NDA’s unique approach of training all three services together fosters inter-service cooperation and understanding, crucial for modern military operations.
Career Prospects
NDA graduates enjoy prestigious careers in the Indian Armed Forces with opportunities for rapid advancement, specialized training, and international assignments.
Recent Developments and Future Changes
The NDA by 2026 will witness significant transformations:
Enhanced Gender Inclusion
With the historic admission of female cadets, infrastructure and training methodologies are being adapted to ensure seamless integration while maintaining the academy’s core values.
Technological Integration
Modern warfare demands tech-savvy officers. NDA is incorporating Artificial Intelligence, Robotics, and Cyber Security training into its curriculum to prepare future officers for contemporary challenges.
STEM Emphasis
Greater focus on Science, Technology, Engineering, and Mathematics reflects the evolving nature of military operations in the 21st century.
International Collaborations
Exchange programs with foreign military academies are being established to provide global exposure and cross-cultural military education.
Preparation Strategy for NDA 2026
Academic Preparation
- Mathematics: Focus on Calculus, Trigonometry, Algebra, and Statistics
- Physics: Mechanics, Heat, Light, and Modern Physics concepts
- Chemistry: Physical, Organic, and Inorganic Chemistry fundamentals
- English: Grammar, comprehension, and vocabulary building
- General Knowledge: Current affairs, history, geography, and general science
Physical Fitness
Maintain excellent physical condition through regular exercise, running, swimming, and sports activities. The academy demands high fitness standards throughout training.
Mental Preparation
Develop leadership qualities, confidence, and communication skills. Practice group discussions, public speaking, and problem-solving exercises.
Current Affairs
Stay updated with national and international developments, especially defense-related news, as it forms a crucial part of the GAT paper and SSB interviews.

Life at NDA
Academic Life
Cadets pursue rigorous academic courses while developing military skills. The curriculum balances classroom learning with practical field exercises.
Military Training
Progressive military training includes drill, weapon handling, field craft, and leadership exercises. Each term builds upon previous learning to develop professional competence.
Extracurricular Activities
NDA encourages participation in sports, cultural activities, and hobby clubs. These activities develop teamwork, creativity, and stress management skills.
Discipline and Values
The academy’s honor code emphasizes truthfulness, integrity, and mutual respect. This foundation shapes lifelong character traits essential for military leadership.
Choose Ground Zero Defence Academy for Your NDA Dreams
As you embark on this prestigious journey toward the National Defence Academy, success depends on choosing the right guidance and preparation. Ground Zero Defence Academy stands as Dehradun’s premier institute for NDA coaching, offering comprehensive training that has consistently produced successful candidates.
With over 25 years of excellence in defence coaching, Ground Zero Defence Academy provides expert faculty, proven methodology, and personalized attention that makes the difference between attempting and achieving. Our track record of success stories, state-of-the-art facilities, and holistic approach to NDA preparation ensures you’re not just ready for the exam, but prepared for a lifetime of service to the nation.
Join Ground Zero Defence Academy today and transform your military aspirations into reality. Your journey to serve the nation with honor begins with the right coaching, the right guidance, and the right institute – Ground Zero Defence Academy, Dehradun.