HEY,

NDA is am exam conducted twice an year for admission into various branches of defense which includes army, navy and air force.

Minimum eligibility criteria for students to sit for the exam is,

-The student should have completed his or her class 12th from a recognised Institute.

-His or her age should be between 16-19 years.

As your date of birth is 5/08/2005 so that means you will eligible for exam from NDA 2 2021. You can give the exam till 19 years of age.

So from that perspective you will have a total of 7-8 attempts.

Hope that helps.

Thank you.