Hello Ayush,

There are many good college for engineering in Delhi.  Have a look on these.

Indian Institute of Technology, Delhi

Delhi Technological University, Delhi

Netaji Subhas Institute of Technology, Delhi

National Institute of Technology, Delhi

Jamia Millia Islamia, New Delhi

Indraprastha Institute of Information Technology, Delhi

Guru Gobind Singh Indraprastha University, Delhi

Bharati Vidyapeeth's College of Engineering, Delhi

Maharaja Agrasen Institute of Technology, Delhi

Maharaja Surajmal Institute of Technology, Delhi

Amity School of Engineering and Technology, Delhi

Good Luck!