Hello Harshitha,

As you've mentioned that your ranking is 12423 in kcet 2021, with this rank your chances of getting cse seat in top engineering colleges  are low, But yes you can get cse seat in good college with your ranking. Wait & try for all rounds.

Also you have good chances of getting cse seat in following colleges:

Jawaharlal Nehru National College of Engineering

Dr. Ambedkar Institute of Technology

CMR Institute of technology

Malnad College of engineering

M S Ramaiah University of Applied Sciences

PES College of engineering, ,Mandya

Dayanand Sagar Academy of Technology & management

SJB Institute of Technology

You can also predict your college for KCET 2021 by following link:

All the best!

Hope this helps you