National Defence Academy and Naval Academy Examination
| Acronym | NDA/NA Exam | 
|---|---|
| Type | OMR sheet based (Pen & Paper) | 
| Administrator | Union Public Service Commission | 
| Skills tested | Writing, English, General knowledge, others | 
| Purpose | Selection of candidates to be commissioned officers in the Indian Army, Navy, and Air Force | 
| Year started | 1954 | 
| Duration | Five hours (Mathematics: 2½ hours, General Ability Test (GAT): 2½ hours) | 
| Offered | Twice a year (April & September) | 
| Restrictions on attempts | 16½ years to 19½ years (age of the candidate) | 
| Regions | India | 
| Languages | Hindi or English | 
| Fee | ₹100 (US$1.20) (for General male candidates) | 
| Qualification rate | ≈ 4% (approx) for written examination | 
| Website | www | 
The National Defence Academy and Naval Academy Examination is an entrance examination conducted by the Union Public Service Commission (UPSC) twice a year for admissions into the National Defence Academy (NDA) and Indian Naval Academy (INA). The NDA Exam serves as a gateway for candidates seeking a career in the Indian Army, Navy, and Air Force.