Aman, in 2018 under All India Quota, a score between 552 and 432 secured a seat in OBC Category in GMC, Nagpur. Now this is 2018 data and cut offs change every year depending on various factors such as no.of Candidates appearing for the exam, no.of Candidates qualified, top NEET score and difficulty of the exam. But in 2019, the individual college cut offs increased on an average by 60-75 marks. So if you want a seat in this College, you should aim for nothing less than 600.