You can apply. As per NDA 2019 eligibility the Candidates born not earlier than January 2, 2000, and not later than February 1, 2003.

The Minimum Age should be 16.5 years and the Maximum Age should be 19.5 years. You can check teh further exam eligibility with the given below link.

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

Good Luck!