Hi Namrata,

 Here is the cutoff ranks for doing PG in AIIMS for last year.

General 1-793

OBC NCL 4-1602

SC 53-5956

ST 647-12992

OPH 1285-16525

This year too the cut off is expected to be more or less in the same range.

Although the cutoff percentile for all categories is 50% only.

To know more about doing PG in AIIMS refer the link http://mdmsmch.aiimsexams.org/

To know about the results and important dates regarding this examination refer the link https://medicine.careers360.com/articles/aiims-pg

Hope this helps!! Do upvote the answer.

All the best!!