Hello aspirant

Top colleges offering computer science in Kolkata are given below ( Rankwise)

1. Jadavpur University,Kolkata

2. Heritage Institute of Technology,Kolkata

Fees-116,200

3. Institute of engineering and Management ,Kolkata

Fees- 81,200

4. Maulana Abul Kalam University of technology,Kolkata

Fees-49,000

Amity University

Fees 207,000

Techno India University

Fees-89,00

RCC Institute of Technology

Fees 104,800

Narula Institute of Technology,Kolkata

Fees-408,000

Techno India salt lake ,Kolkata

Fees-89,200

Sister Nivedita University,SNU

Fees -149,500

Bengal Institute of Technology ,Kolkata

For more information  you may refer following link

https://engineering.careers360.com/colleges/list-of-government-engineering-colleges-in-west-bengal