I have got 71 marks in biology ,66 marks in english,56 in physics,53 in chemistry,overall addition of these 4 sub. is 61.5 % .can i apply
Yes, If you are getting a aggregate 60% marks in PCB and English you are eligible to apply for the AIIMS exam.
To check the complete eligibility criteria you can refer below link
AIIMS 2018 Eligibility Criteria
Good Luck!!