Dear Nooka,

There are many college in which you can get admission with your JEE Mains Rank some of them are given here 

1.Bhartiya Vidya Bhavan's Sardar Patel Institute of Technology , Andheri, Mumbai; Electronic and Communication Engineering.

2.Institute of Chemical Technology, Matunga, Mumbai; Polymer Engineering and Technology

3.K.J.Somaiya College of Engineering, Vidyavihar, Mumbai; Computer Engineering

4.Shri Vile Parle Kelvani Mandal's Dwarkadas J. Sanghvi College of Engineering,Vile Parle,Mumbai; Computer Engineering

5.Shri Vile Parle Kelvani Mandal's Dwarkadas J. Sanghvi College of Engineering,Vile Parle,Mumbai; Information Technology

There are many more colleges you can check here https://engineering.careers360.com/jee-main-college-predictor

Best Wishes!