Hi Nandini
There is a cutoff range for NEET which means you have to score minimum marks as set to clear the exams .
Cut off varies according to categories as for unreserved category minimum percentile required is 50th percentile ,PH it is 45th percentile and for  reserved category it is 40th percentile.
For details click on the link given below
https://www.google.com/amp/s/medicine.careers360.com/articles/neet-cut-off/amp
Hope this helps .
Good luck for your exams