Hello Aspirant,

AFCAT exam is conducted to recruit the candidates at the Flying Branch and Permanent Commission (PC)/Short Service Commission (SSC) in Ground Duty (Technical and Non-Technical) Branches.

As per the eligibility you should be graduate, The eligibility varies to the post. As you told that you are in Class 12th then you are not eligible to apply for AFCAT.

To check the further information you can go through with the given below link.

https://competition.careers360.com/articles/afcat-2019

Good Luck!