With the rank you're mentioning you can get a government college also. Following is a list of all the good colleges you can get

• Jalpaiguri Government Engineering college except Computer Science Engineering 
• Heritage Institute of Technology 
• Haldia Institute of Technology 
• University Institute of Technology, Burdwan 
• University of Kalyani 
• Kolaghat Institute of Technology 
• Techno India Salt Lake Kolkata 
• IEM Kolkata 

Hi Sachin,

Below is the name of some of the colleges where you might get admission:

• Calcutta University
• Kalyani Government Engineering College
• University of Kalyani
• Jalbaiguri Government Engineering College
• Institute of Engineering and Management
• Aliah University
• Heritage Institue of Technolgy
• Techno India Salt Lake

I would suggest you to use college predictor so as to have a better view of all the options available to you.

 https://www.careers360.com/wbjee-college-predictor

All the best