Dear student,

You can join Indian Air Force after 12th through NDA route. Union Public Service Commission (UPSC) conducts entrance for candidates who want to join National Defence Academy. NDA exam is conducted twice a year in all major cities. Educational Qualifications is 10+2 with Physics and Mathematics.

For more information go through below link.

https://news.careers360.com/upsc-nda-2021-students-demand-postponement-of-exam-due-covid-19/amp

Hope this helps you.

All The Best!!