1. haldia institute of technology ,haldia
2. heritage institute of technology ,kolkata
3. kalyani government engineering college,nadia
4. the institute of engineers india, kolkata
5. Dr BC roy engineering college ,durgapur

these are really good for mechinical ..you may visit this link for more: https://engineering.careers360.com/colleges/list-of-mechanical-engineering-colleges-in-west-bengal

according to your rank you may go for :netaji subhas engineering college which is good for mechanical through wbjee