Dear Utsab ,

It is difficult to predict the admission chances as each year the cut off can change due to several factors like :

• Seat Matrix
• Difficulty level of exam
• No of students appeared for the exam etc.

Well,  based on your rank (GM).. you have less chances to get any Govt colleges in Kolkata with CSE branch through WBJEE  as per 2021 WBJEE cut off .

Well, you have good chances to get various private colleges in Kolkata that can offer you CSE as per your rank, like :

• Techno India University, Salt Lake- 11813
• St. Thomas College of Engineering & Technology, Khidirpur, Kolkata-8598
• Rcc Institute of Information Technology, Kolkata-11955
• Netaji Subhas Engineering College, Garia, Kolkata-12296
• Meghnad Saha Institute of Technology, Kolkata-19812
• Haldia Institute of Technology, Haldia, Purba Medinipur-8536 and others

To know more about the cut off details, refer this :

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

Use this WBJEE college predictor for your reference , like college fee structure , facilities details etc. :

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

Hope this helps !