You will need atleast 550 for a seat in a Government BHMS College even with OBC Category. However, if you are also fine with a seat in Private College, you can do it with a score of 450. This is based on previous years data. Now cut offs change every year. 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. To help you with your NEET preparation, we have NEET Knockout packages that you can check at: https://learn.careers360.com/knockout-neet-may/