The National Defence Academy (NDA) entrance exam, conducted twice yearly by the Union Public Service Commission (UPSC), is one of the most competitive examinations for students aspiring to join the Indian Army, Navy, and Air Force as officers. As lakhs of candidates prepare for NDA 1 and NDA 2 in 2026, understanding the complete eligibility criteria becomes crucial. The eligibility rules for 2026 follow the standard UPSC framework, which includes factors such as age limit, marital status, educational qualification, nationality, and medical/physical fitness.

Table of Contents
1. NDA 2026 Age Limit
Age limit is one of the most important parts of NDA eligibility. Since UPSC releases two notifications each year—NDA 1 in January and NDA 2 in May/June—the age requirements differ slightly.
NDA 1 2026 Age Limit
Candidates must be born between July 2, 2007 and July 1, 2010 (both dates inclusive).
This means candidates will be 16.5 to 19.5 years old as of the start of training.
NDA 2 2026 Age Limit
Candidates must be born between January 2, 2008 and January 1, 2011 (both dates inclusive).
Again, the acceptable age range is 16.5 to 19.5 years.
Important Points
No age relaxation is allowed for SC/ST/OBC categories or for NCC cadets.
Candidates must provide Class 10 or equivalent certificates as proof of date of birth.
Age is calculated strictly according to UPSC rules; incorrect DOB leads to rejection.
2. Educational Qualification for NDA 2026
Educational qualification varies depending on the wing the candidate is applying for:
For Army Wing
Candidates must have passed Class 12 from a recognized board.
Students from any stream—Arts, Commerce, or Science—are eligible.
For Air Force and Naval Wing
Candidates must have passed Class 12 with Physics and Mathematics.
Students without Physics and Mathematics in Class 12 are not eligible for these wings.
For 10+2 Cadet Entry Naval Academy
Same requirement as Naval Wing: Physics + Maths is mandatory.
Candidates Appearing in Class 12
Students appearing for Class 12 board exams in 2026 are also eligible.
However, they must provide passing certificates before joining the academy.
3. Nationality Requirements for NDA 2026
The candidate must be:
Any one of the following:
A Citizen of India, or
A Subject of Nepal, or
A Subject of Bhutan, or
A Tibetan refugee, who came to India before January 1, 1962, to settle permanently, or
A person of Indian origin who migrated from Sri Lanka, Burma, Pakistan, East African countries, or Vietnamto settle permanently in India.
Candidates from categories 4 and 5 require an eligibility certificate issued by the Government of India.
4. Marital Status for NDA 2026
Only unmarried male and female candidates can apply.
Marriage during training is strictly prohibited.
If found married after selection, the candidate will be disqualified and removed from training.
5. NDA Eligibility for Girls 2026
From 2021 onwards, female candidates are fully eligible for NDA entry. For 2026:
Eligibility Conditions for Girls
Same age limit, educational qualification, nationality, and marital status as male candidates.
Physical parameters differ slightly, especially in the minimum height criteria.
Seats for girls are limited because of training capacity, but competition is open and merit-based.
6. Physical and Medical Standards for NDA 2026
NDA has strict physical, mental, and medical fitness requirements. Candidates must be:
Free from diseases and disabilities
Psychologically fit
Physically strong with good stamina
A. Height Requirements
| Wing | Minimum Height |
|---|---|
| Army | 157 cm |
| Navy | 157 cm |
| Air Force | 163 cm |
For Girls
Minimum height: 152 cm
Air Force requires 163 cm for both male and female candidates.
B. Weight Standards
Weight should match age and height (as per UPSC medical charts).
Underweight or obese candidates may face temporary rejection.
C. Vision Standards
Army/Navy: 6/6 and 6/9 (correctable to 6/6)
Air Force:
Hypermetropia: +2.0 D max
Myopia: –2.5 D max
Astigmatism within allowed range
D. Physical Disabilities That Lead to Rejection
Flat feet
Knock knees
Major deformities
Color blindness
Past history of mental illness
Severe respiratory issues
Heart abnormalities
E. Tattoo Policy
Tattoos allowed only on inner forearms or back of hand, as per updated UPSC guidelines.
Religious tattoos on permissible body parts are accepted.
7. Other Important NDA Eligibility Conditions 2026
1. Physical Fitness Before Training
Candidates must avoid the following before SSB and medical exams:
Bodybuilding supplements
Crash diets
Extreme workouts
Temporary tattoos
2. SSB Interview Eligibility
Only candidates who qualify the written exam will be called for:
5-day SSB Interview
Psychological tests
Group tasks
Conference
Medical examination
3. Final Merit List
Final selection depends on:
Written exam marks
SSB marks
Medical fitness
Seat availability
8. NDA Eligibility for Dropper/Repeater Students
Many aspirants take multiple attempts. UPSC allows:
16.5 years minimum
19.5 years maximum
No restriction on number of attempts
So, students who have dropped years or are repeaters can apply as long as they fall in the given age bracket.
9. NDA 2026 Eligibility for Students from Open Schools (NIOS)
Yes, NIOS candidates are fully eligible if they:
Passed 10+2 from NIOS
Meet age, nationality, and physical standards
10. Summary of NDA 2026 Eligibility Criteria
Age: 16.5–19.5 years
Qualification:
Army: 12th pass (any stream)
Navy/Air Force/Naval Academy: 12th pass with Physics & Maths
Nationality: Indian/eligible foreign-origin categories
Gender: Both boys and girls eligible
Marital Status: Unmarried only
Physical Standards: Height, vision, fitness as per UPSC rules

