If you are taking admission in BMS College of Engineering through KCET score, your fees will be approximately Rs. 88,240 excluding miscellaneous charges. And for RV College of Engineering, it is 58,806 Rs as a tution fees. You can check that at: https://rvce.edu.in/sites/default/files/KEA-CET-ADMISSIONPROCESS-FEESDETAILS%202019-2020.pdf There will also be miscellaneous charges. Regarding concession, you might have to reach out to the Administration because it depends on case to case basis.