You will surely get cooch behar and puruliya cse in the 1st round only. You will get better government engineering college also. You can get Jalpaiguri Government Engineering College in the 3rd round or in the mop up or decentralized round. So don't stop your counselling after 3rd round 

Careers360 presents the college predictor of WBJEE 2019 which will help candidates list down the colleges for which they will be eligible according to their performance in the examination. WBJEE 2019 college predictor has been activated. To use the college predictor, the candidates will be required to submit their WBJEE ranks, preferences and more information. The list of colleges according to chances of admission will be listed by the college predictor of WBJEE 2019

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