It depends which Govt college you are asking for as all are different from each other ranking and rating wise. But yes, if you talk about the private colleges then BITs comes first then VIT, SRM and after all you can consider KIIT.

For more information about above mentioned private colleges, you can go through below link -

Birla Institute of Technology and Science, Pilani

VIT University, Vellore

SRM University, Chennai

Kalinga Institute of Industrial Technology, Bhubaneswar

Good Luck!!!