Here are some of the college in Mumbai you can prefer:

Indian Institute of Technology Bombay
Institute of Chemical Technology, Mumbai
Fr Conceicao Rodrigues College of Engineering, Mumbai
Mukesh Patel School of Technology Management and Engineering, Mumbai

I would suggest you to go through with the given below link to check the complete engineering colleges in Mumbai.

https://engineering.careers360.com/colleges/ranking/top-engineering-colleges-in-mumbai

Good Luck!