Aryan, To be honest, 450 marks are a tad less for General Category Candidates for a seat in a Government Medical College. You will need atleast 550-575. This is based on previous years data. Now 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/. To help you during admission and counselling, we have https://www.careers360.com/mbbs-companion.