Thanks for the question.

With 5048 rank, you can get these government colleges-

Government College of Engineering Textile Technology, Serampore  (CSE) 

University Institute of Technology, The University of Burdwan, Burdwan

Jalpaiguri Government Engineering College, Jalpaiguri

Government College of Engineering and Ceramic Technology, Kolkata

Cooch Behar Government Engineering College, Cooch Behar

Purulia Government Engineering College, Purulia

However, i would like to mention few private colleges as well -

Hemnalini Memorial College of Engineering, Kalyani

Hooghly Engineering and Technology College, Hooghly

Techno India-Batanagar, South 24 Parganas

Calcutta Institute of Technology, Howrah

All the best