Hello student,

UPSC each  every year conduct  National defence academy examination which is the national examination. There are no specific attempt limit inn this examination. As per the eligibility criteria your age must be between 16.5 to 19.5. that's why you are not eligible now for this examination but you can start your preparation for now for have a better future.

Click on the link below to know more about this

https://competition.careers360.com/articles/nda-eligibility-criteria

Hey

You should also have the corresponding weight too in accordance with the height. Check that also.

Those clearing the NDA & NA 2022 SSB interview round will be called for the NDA physical fitness or medical test round. In this stage the physical and mental state of the candidate will be tested by the authorities. If they fail to meet the prescribed medical standards by the authorities they will be disqualified.

About the Age limit

Age limit - 16.5 to 19.5 years

https://www.google.com/amp/s/competition.careers360.com/articles/nda-eligibility-criteria/amp