UPSC conducts NDA exam twice every year that is in April and November.
National Defence Academy (NDA) – The candidate must be 12th Class passed in the 10+2 pattern of School Education or equivalent examination from a recognized board.
Naval Academy (10+2 Cadet Entry Scheme) – The candidate must be 12th Class passed in the 10+2 pattern of School Education or equivalent with Physics and Mathematics from a recognized Board.
Steps to check the schedule:
Step 1: Log on to the official website i.e. upsc.gov.in
Step 2: Click on the examination link and then on the calendar link
Step 3: Click on the 2020 examination calendar link
Step 4: The pdf file will appear on the screen with the details of all the examinations