We do not have 2019 data yet. But in 2018, under OBC Category, 496 marks secured a seat in Guntur Medical College, That was the cut off for BC Category as a whole. Now BC-E has 4% reservation under 27% allotted reservation for OBC. 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. For securing a seat in this GMC for the year 2020, you will need nothing less than 550.