The minimum age requirement for the AFCAT exam is 20 years. You must have completed 20 years of age as on 01 January of the year of examination.
You must have completed a bachelor's degree in any field to be eligible for the AFCAT exam. The specific subject or stream of your degree does not matter.
Yes, there is a physical edurance test for AFCAT. The activites include push-ups, sit-ups, Running. Candidates need to complete a certain distance in a given time. They should do a minimum number of push ups. Same with sit ups
The height requirment may change according to the branch you are applying. However, for males it's an average 165cm and for female it's 155cm
The candidates must be medically fit as the qualifications given by the IAF. The specific requirments are Eyesight, Hearing, Dental and Medical History. The standards might be low for the ground duty