Hello Tripti,

Hope you are doing well.

The Union Public Service Commission prescribes the UPSC age limit in the official NDA notification 2023. As per the UPSC applicants between the NDA age  eligibility of 16.5 to 19.5 years, can apply online for the National Defence Academy (NDA) 2023.

Date of Birth Criteria: July 2, 2004- July 1, 2007

Therefore if you are born before July 1, 2007 then you are eligible for NDA Exam right after your class 12th.

NDA Exam is conducted two times a year.

And you will be eligible for this exam until you attain 19.5 years of age according to respective years NDA Exam criteria.

For any information related to NDA Exam, please visit the link provided below for the NDA Exam 2021 so as to get an idea:

https://competition.careers360.com/exams/nda

Hope this helps you. All the best!