Hi there. 

Cut off vary every year depending upon the number of candidates writing the exam, difficulty level of the question paper etc. 

Hereby, to give you an idea of the cut off patterns of previous years I'm attaching a link. Please refer to the following link to obtain the required information: 

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

Wishing you luck!

Hey.

Here is a list of all  government medical colleges in West Bengal and their respective cut offs in the previous year for the general category under the State quota. Considering this you would require a marks around this range for a fair chance of admission.

1. Nilratan Sircar Medical College, Kolkata- 18,469, 523

2. North Bengal Medical College, Darjeeling- 37,183, 473

3. Medical College, Kolkata- 7,046, 569

4. Calcutta National Medical College, Kolkata- 25,573, 502

5. Burdwan Medical College, Burdwan- 30,611, 489

6. Bankura Sammilani Medical College, Bankura- 36,121, 476

7. ESIC Medical College, Joka, Kolkata- 38,142, 471

8. Institute of Postgraduate Medical Education & Research, Kolkata- 22,765, 510

9. College of Medicine and JNM Hospital, Kalyani, Nadia- 35,122, 478

10. Midnapore Medical College, Midnapore- 39,126, 469

11. Murshidabad Medical College & Hospitals, Murshidabad- 40,465, 466

12. Malda Medical College & Hospital, Malda- 41,723, 464

13. College of Medicine and Sagore Dutta Hospital, Kolkata- 33,131, 483

14. RG Kar Medical College, Kolkata- 20,854, 515