All government engg colleges except ISER's and IIT's

To gain admission through JEE Mains, you can consider government engineering colleges like the Indian Institutes of Technology (IITs) including IIT Bombay, IIT Delhi, IIT Kanpur, IIT Madras, IIT Kharagpur, and IIT Roorkee, along with National Institutes of Technology (NITs) like NIT Trichy, NIT Surathkal, NIT Warangal, NIT Rourkela, and NIT Calicut; all of which accept JEE Mains scores for admission.

You can for the Delhi Technological University, Institute of Chemical Technology (ICT Mumbai), and the Indian Institute of Engineering Science and Technology, Shibpur

Here is the list of more government college of engineering through jee mains

https://engineering.careers360.com/colleges/list-of-government-engineering-colleges-in-india-accepting-jee-main