hi,

to have less fees structure I suggest to go for government colleges which has compare to less fees and have many scholarships for meritorious students. I have mentioned some of the top institute name below which has admission process for engineering based on jee main score:

Delhi Technological University, Delhi

Jamia Millia Islamia, New Delhi

Indraprastha Institute of Information Technology, Delhi

Netaji Subhas University of Technology, New Delhi

Jawaharlal Nehru University, New Delhi

NIT delhi

CH Brahm Prakash Government Engineering College, Delhi

follow the below link to know details about college:

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

DTU the most famous then NSIT, then IIIT Delhi

there are many other private institute

You can find it on any college predictor app one of the app is collegeTpoint