You may apply for the NDA Exam in midst of your Graduation Years, provided you satisfy the Age Limit Criteria for NDA, which is 16.5-19.5 Years. Incase you clear your NDA Exam and subsequent screening rounds, you may leave your Graduation Midway for pursuing Training at NDA.

For more information about NDA do follow the link below

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

However, incase after your Graduation in Arts, youre interested in joining the National Defence Academy in Officerial Positions, you may appear for the CDS Combined Defence Services Exam having Eligibility Criteria as Graduation and Age Limit 19-25 Years.

For more information about CDS do follow the link below

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