You need to score more than 150 marks in your exam to get AIIMS Delhi campus.

You can also check the cut off rank for all the campus from the given below link

AIIMS Cut off

Good Luck!!

The cutoff varies year to year but try to score more than 150 if you want to get admission in AIIMS New Delhi, for general category.

For further you can also go through with given below link.

AIIMS Cutoff