For the AFCAT flying branch, the eligibility suggest that the student need to pass 10+2 with 60% in Physics and Mathematics and also needs to complete there BE/BTech in any discipline.

For the AFCAT Ground Duty Technical Branch, the eligibility is also the same as the Flying branch or,

So if you don't have 60% marks each in Physics and Mathematics you won't be eligible for the AFCAT.

For more information regarding AFCAT consider the link below:

https://competition.careers360.com/articles/afcat-eligibility-criteria#:~:text=AFCAT%20Eligibility%20Criteria%202022%3A%20Educational,Society%20of%20India%20with%2060%25.

I hope this helps. Wish you a great day!