Hello there

There are around 24 engineering colleges in Delhi which offers B.Tech courses and out of these 13 are private and 10 are public or government colleges.

• Indian Institute of Technology Delhi
• Amity university
• Jamia Millia Islamia
• Delhi Technological University
• Indraprasth Institute of Information Technology
• Netaji Subhash University of Technology
• Japyee Institute of Information Technology
• The Northcap university

For more information regarding the same you can refer this link:

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

I hope it helps you!

Good luck!