Hello Bharatesh,

Since you appeared for JEE Mains paper which is for architecture , there are colleges in karnataka that accept students through KCET. For that one needs to appear for NATA as well as JEE Mains paper 2. Now there are total 45 colleges that accept KCET for B.Arch ( architecture ). Here is the link for the list of colleges : https://engineering.careers360.com/colleges/list-of-b-arch-colleges-in-karnataka

Hope I have answered your question. If still you have any doubt you can ask.

Good Luck !!