Hi

In wbjee all the seats are alloted on the basis of GMR rank and not your category rank.

It is difficult to predict which college you will get because cut off  keeps changing every year depending upon a number of factors like

-------------------------) number of students that appeared in the WBJEE exam

-------------------------)difficulty level of the WBJEE examination

-------------------------)Kind of marks obtained by the students in the WBJEE exam

-------------------------) number of students from different categories etc

But yes,

With your mentioned 42333 gmr rank , considering your category as obc

On the basis of wbjee 2021, round 3, cut off data , in kolkata colleges chances are low for computer science

You have chances in following colleges for computer science engineering in regions other than kolkata:-

• Imps College of Engineering & Technology, Malda

• Hooghly Engineering & Technology College, Hooghly

• Hemnalini Memorial College of Engineering, Haringhata

And a few more

As per 2021, wbjee cut off available at Official website :-

https://admissions.nic.in/WBJEEB2021/WBJEEB/Report/OpenCloseRank.aspx?boardId=134112121

To have a personalised report on your chances of getting a college you can go through our WBJEE college predictor, it will give you complete list of colleges which you can get on the basis of the category you belong to,  your , your gender etc the link for  WBJEE  college predictor is provided below:-

https://www.careers360.com/wbjee-college-predictor?utm_source=qna&utm_medium=ini-cet_cp

Regards

ADITYA  KUMAR