I will enlist down below some of the top government btech engineering colleges in Delhi -

1. National Institute of Technology Delhi
2. Netaji Subhas University of Technology , New Delhi
3. Guru Gobind Singh Indraprastha University, Delhi
4. GB Pant Government Engineering college
5. Delhi Technological University
6. IIT Delhi
7. Jamia Milia Islamia University

Refer to the website below for more detailed information...

https://engineering.careers360.com/colleges/list-of-government-engineering-colleges-in-delhi Best wishes. Thank you.