Hey there

The most basic eligibility criteria is that only unmarried male candidates born not earlier than 2nd July 2003 and not later than 1st July 2006 are eligible.

For NDA 2 exam ka eligibility criteria is that only unmarried male candidates born not earlier than 2nd January 2004 and not later than 1st January 2007 are eligible.

For more details click on below link

https://www.google.com/url?sa=t&source=web&rct=j&url=https://competition.careers360.com/exams/nda/amp&ved=2ahUKEwjw1IbHwJXzAhWhwjgGHW-aC9sQFnoECAkQAQ&usg=AOvVaw2rE--RRTEeWDolGBpNFhOj&ampcf=1