Hello aspirant,

In order to sit for the NDA exam, a candidate must be between the ages of 16.5 and 19.5 and have completed maths and physics as required topics in their 10+2 education. The exam can be taken as many times as necessary.

For more information you can visit our website by clicking on the link given below.

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

Thank you

Hope this information helps you.