Hello,

To be eligible for NDA candidates must be between the ages of 16.5 and 19.5 years to be eligible to appear for the NDA 2021 examination. There is no age relaxation for reserved category candidates in the NDA examination and For Indian Army candidates must have passed 12th standard from State Education Board or a University. For Air Force and Naval  candidates must have passed 12th standard with Physics and Mathematics from State Education Board or a University. So if you satisfy the above eligilbity criteria you will be eligible for NDA.