Please ignore the previous answer. It was clumsy...

IMS, New Delhi is the responsible body for holding the admission process each year. AIIMS offers admission to MBBS seats available across thirteen AIIMS - New Delhi, Rishikesh, Bhopal, Bhubaneswar, Jodhpur, Patna, Raipur, Guntur, Nagpur, Kalyani, Raebareli, Gorakhpur and Bathinda.

Cut off varies from year to year depending on the no. of studentsxappearing for the exam and the difficulty of the exam.  These are the details for AIIMS Nagpur previous cut off: 

General Category: last rank was 542: 99. 859%

OBC: 1453: 99.624%

SC 9038: 97.648%

ST 19414: 94.847%