Hello Sayandip

First of all congratulations for your result.

You have secured a very good rank so you can take admission in any of the following government colleges according to last year's WBJEE cut off:

1.Jadavpur University,Kolkata 

2.Heritage Institute of Technology,Kolkata 

3.Maulana Abdul Kalam Azad University of Technology,Kolkata 

4.Academy Of Technology,Hooghly

5.Bidhan Chandra Krishi Viswa Vidyalaya,Nadia

6.Kalyani Government Engineering College,Nadia

7.Jalpaiguri Government Engineering College,Jalpaiguri

8.The University of Burdwan,Burdwan

For further information you can refer this link:

https://engineering.careers360.com/articles/wbjee-cutoff

To predict you WBJEE College you can refer this link:

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

So I hope you find this helpful 

Thank you 

Good luck.