Hello Rahmat. Some of the top colleges in kolkata offering bsc nursing are.

• Institute of Post Graduate Medical Education And Research - [IPGMER]
• West Bengal University of Health Sciences - [WBUHS]
• Kolkata Medical College
• Pailan College of Management and Technology - [PCMT]
• Aliah University
• Netaji Subhas Open University - [NSOU]

You can go to the college and enquire about direct admission. Good luck.