Dear aspirant, 

You can take the help of rank predictor. I'm providing you the link, you just have to enter your marks it will predict your tentative rank. Below is the link,

https://engineering.careers360.com/wbjee-rank-predictor

You can also predict your college based on your rank by taking the help of college predictor. Fir that also I'm providing you the link in which you have to fill in the basic details. After submitting the details you will get the list of colleges which are open for you according to your rank.

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

All the best for your next journey..!!