Hello,
In 2019, under 85% State Quote, following has been the cut-offs for different categories in I Q CITY MEDICAL COLLEGE, Durgapur;
UR- 512
SC- 376
ST- 172
Now, cut-offs change every year based on number of factors like top NEET score, no of candidates appearing the exam, difficulty level of paper etc, the highest mark that secured a seat in WB was for Medical College, Kolkata with 614 marks, so you must try to score more than 550-580 in order to secure a GMC in WB in NEET 2020.
For more details, regarding this you can check out;https://medicine.careers360.com/articles/neet-cutoff-west-bengal