NDA - 1 EXAM DETAILS (2026) IN ANDHRA PRADESH NDA-1 2026 exam is conducted by UPSC for admission into Army, Navy, and Air Force wings of the National Defence Academy. The examination consists of a written assessment (Mathematics & General Aptitude Test) succeeded by the Services Selection Board interview for candidates who have been shortlisted.It is a golden opportunity for 12th-pass aspirants to join the Indian Armed Forces and serve the nation.