Hello Ayub Ahmed
CET online registration is still going on so you can change or edit your application. you have time till 28th february. If you cannot able change now you can visit KCET center in Bangalore and change detials.
For more information you can go to below link
http://kea.kar.nic.in/cet_2019.htm
Regards
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile