Hello yubrajshaw2003 , I found some colleges in west bengal for BSC Nursing are:

• NSHM KNOWLEDGE CAMPUS, DURGAPUR
• INSTITUTE OF POST GRADUATE MEDICAL EDUCATION AND RESEARCH - [IPGMER], KOLKATA
• BANKURA SAMMILANI MEDICAL COLLEGE, BANKURA
• GEORGE GROUP OF COLLEGES, KOLKATA
• NIMAS, KOLKATA

Hope it will be helpful for you :)