Most of the colleges in Karnataka offers admission on the basis of entrances only. You can click on the names of the college provided below to know more about the procedure of admission. This colleges have fees below 1lac:

BMS College of Engineering, Bangalore

UVCE Bangalore - University Visvesvaraya College of Engineering

JSS Science and Technology University, Mysuru

Government Engineering College, Hassan

University BDT College of Engineering, Davangere

PES Institute of Technology, Bangalore

Government Engineering College, Karwar

Government Engineering College, Kushalnagar

For more colleges visit the link below:

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-india?state=Karnataka&degree=B.E%20/B.Tech&fee=Less%20than%20100000

To know more about Engineering as a career visit the link below:

https://www.careers360.com/courses/engineering-course

I hope this answer helps. All the very best for your future endeavors!