If by CNMC, you meant Calcutta National Medical College, in 2019 under State Quota, 443 marks secured a seat in this College under SC Category. That was the cut off. Now this is 2019 data and 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. For a seat in 2020 in Calcutta National Medical College, with SC reservation, you will need atleast 500. This is because this time as NEET has been pushed back by almost 5 months, the competition is going to be tough and the cut offs are going to increase. So for a seat in this College, you should aim for atleast 500 and above. And if you are preparing for NEET, you may as well try our NEET Knockout package: https://learn.careers360.com/knockout-neet-may/ . And because you have 28 more days to prepare for NEET, you may as well use this opportunity