AIIMS MBBS 2015 Minimum Cut Off Mark is the necessary marks to obtain in AIIMS Entrance Examination to determine eligibility for admission.
Its difficult to say about expected cut offs this years there was two shifts and normalized score will be used.
This year, since there would be two shifts, a Normalization Procedure is being adopted as decided by experts based on analysis of past MBBS Entrance Examinations conducted by AIIMS, New Delhi. This will be utilized to decide on the inter-se merit / ranking [used during Counseling for allotment of seats] between those who appeared for the examination.
The normalization procedure that will be adopted is based on PERCENTILES.
In general you can expect a seat in AIIMS if you rank is under 300 (general). For AIIMS Delhi you should get rank under 40.
You can also refer to AIIMS MBBS Cut Offs for previous year admission for your reference.