B.V.Sc seats are filled through NEET score for 15% All India Quota. And so the cut offs are usually higher. So you will need more than 500 if you want a seat in B.V,Sc under All India Quota. So you cannot get a seat in B.V.Sc under OBC Category with a NEET score of 450. If you wan tot study B.V.Sc you should try your State Entrance examinations for B.V.Sc because there the cut offs will be lesser. But if you want to reappear for NEET 2021, you can try our NEET knockout plan: https://learn.careers360.com/knockout-neet-may/ . And 450 score can actually get you a Government Quota seat in Private Medical Colleges. You can check that list using our College predictor: : https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer