Hey, im not very sure about the gmr ranks. However you wbjee rank is good enough to fetch ypu a seat in a decent college. To find out which college, use the link below

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

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