Dear Aspirant,

It's good to hear that you are interested in NDA. As per the UPSC eligiblity your age must be between 16.5 to 19.5 and in your whole life you have 6 attempt for NDA exam. If you have given the exam now then at the time of your entry in academy you have your 12th Mark sheet with you. Although it take around 9-10 months for merit list. You have time for NDA. For more information please visit the upsc website.

Brat of luck!