For aiims u must get 60% marks in physics chemistry and biology separately if u are from general category 55% if u are from obc category and 50% if u are from sc or st category .

Hello,
Eligiblity for AIIMS is :
Minimum marks in Physics, Chemistry, Biology and English
For General and OBC aspirants  60% aggregate;
For SC and ST candidates  50% aggregate
For PwD candidates - 45% aggregate
https://medicine.careers360.com/articles/aiims-mbbs-eligibility-criteria
Goodluck