Hi anindita ,
According to previous year the cutoff for North Bengal medical college Siliguri was 485 marks for general category in state quota
For OBC A category the cutoff was for 484 marks in state quota
For OBC B category the cutoff was 481 marks in state quota
For SC category the cutoff was 367 marks in state quota
For St category the cutoff was 204 marks in state quota

For more details regarding North Bengal medical college cut off NEET UG kindly refer the given link below

https://www.google.com/amp/s/medicine.careers360.com/articles/neet-cutoff-west-bengal/amp

Hope it helps