There will be only one entrance exam NEET to get admission in AFMC. It will not conduct its own entrance exam. You can check the eligibility to apply with given below.

The Eligibility

You must have passed in the subjects of Physics, Chemistry, Biology/Bio-technology and English individually and must have obtained a minimum of 50% marks taken together in Physics, Chemistry and Biology/ Bio-technology at the qualifying examination.

For further detail you can go through with given below link.

NEET Eligibility

The admission would be based on NEET score and the shortlisted candidates in order of online registrations numbers will be called for Test of English Language, Comprehension, Logic and Reasoning (ToELR) and Psychological assessment cum Interview to be held in the month of July - August. Apart from that, there is nothing announced for 2018 session till now so I would suggest you to stay tuned with us to know all latest updates for the same on below given website -

http://www.medicine.careers360.com/

Hope this helps!!!