Thanks for the question 

I have enlisted some of the good private colleges below. Have a look

Haldia Institute of Technology, Haldia

Heritage Institute of Technology, Kolkata

Institute of Engineering and Management, Kolkata

Techno India University, Kolkata

All are private sector colleges. 

Accept wbjee scores and JEE scores. 

Fees ranges between 3 to 6 lakhs per annum. 

All the best