ased on your date of birth of September 3, 2007, your eligibility for NDA 1 2027 depends on the specific month the exam is held.

The NDA exam is typically held twice a year, in April and September. If NDA 1 2027 is held in July or August, you would be 19 years old (turning 20 soon) and eligible to take the exam.If NDA 1 2027 is held in September or October, you might not be eligible since you wouldn't be 19.5 years old yet (the upper age limit).

https://competition.careers360.com/download/ebooks/tips-and-tricks-crack-nda/na-exam

I hope it helps!