There are 2 type of scholarship for AIIMS MBBS Students:

Merit Scholarship : Merit Scholarship is payable to the students who stood first and Second in the 1st Prof. MBBS Exam @ RS.750/- and Rs.500/-per month respectively for 1 ½ year
Summer fellowship : Summer fellowship is awarded to the students for a sum of Rs.500/- per month for 1 year after completion of the project in the concerned departments.

You can also check the details below

AIIMS MBBS Scholarship

Good Luck!!