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. In 2019, under All India Quota, 536 marks secured a seat in B.V.Sc. Though that was not the cut off, this year, the cut offs are expected to go higher as the top NEET score has been 720. In 2019, a score range of 514-525 secured seats in TANUVAS under General Category. But this is 2019 data and cut offs change every year and you belong to OBC Category. With a score of 544, you do have borderline chances.