hii amar
To join indian air force you need to clear NDA exam,the eligibility criteria for NDA exam is that candidate should have passed 10+2 with subjects physics,chemistry and mathematics subjects.Students who are studying in 12th may also appear for exam,given that they satisfy the minimum age limit criteria which is the candidate has to be between 16 and a half to 19 years of age at the time when the course starts at NDA.
Also,such students who are atudying in 12th and want to appear for the exam must also make sure that their schooling will be over by the time the course starts at NDA.i hope this information helps you.
thank you
.
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile