Hey!

There is no such limit mentioned in counselling procedure. Candidates, after verification of their documents, can fill their maximum choices of course or college. They can change the same before getting locked. After that counseling authority will allot seats available to them as per their score, then candidates have choice to update or modify their preferences.

You can visit the link given below to get more information

https://www.google.com/amp/s/engineering.careers360.com/articles/kcet-seat-allotment/amp

Good Luck