Hi Sankalan,

First of all congratulations for such a great rank. You can definitely make it to the Jadavpur University Kolkata's mechanical engineering branche. Also you can make it to other government colleges, like Kalyani, Haldia or Jalpaiguri institutes. You have a fabulous rank. Go through this link once, you will get some clear information about wbjee colleges rank cutoff https://engineering.careers360.com/articles/wbjee-cutoff. This link help you for the particular. 

All the best for your counseling, and if you have any doubts, then please ask.