hello there,
if you are expecting a score like 650, then i am very happy for your such great achievement (to be).
you have very high chances of getting into AIIMs ( if compared with previous years cut offs)
your overall predicted percentile would be somewhere between 99.74-100 and your predicted rank will be 235-1735.
you may check the same through this link:

You can use the following college predictor tool to get a list of colleges avaialable to you .
https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer

However, you have chances in:
AIIMS PATNA

AIIMS BHOPAL

AIIMS RAIPUR

and many more you may check the list of AIIMS colleges available to you here;
https://medicine.careers360.com/articles/aiims-mbbs-cut-off

Hope it helps!
all the best and congratulations!