Hello  Prakhar hope you are doing well

Yes , you can apply for NDA . You need to pass certificate in 10+2 exams via recognized board or a University  to be eligible for the same. Else, you need to look forward towards the other assessments involving the exam, interview and other physical/medical standards.

You can fill NDA 2019 application form from 7th August 2019 (for NDA II).

All The Very Best! Go Ahead :)