hello

there is no definite answer to your question as govt have its own policies and no such transparency but i would suggest you to go through this artical and many more like this you will found that most of the govt. colleges charge rs 60000/year only

https://www.newindianexpress.com/states/karnataka/2019/mar/03/engg-fee-goes-up-by-10-per-cent-1946007.html