Officially there is no any such kind of information. All the state level exam like KCET & National level exam will be there in 2018. For further updated information you can go through with given below link.

KCET 2018

No, there will be all engineering entrances in 2018 and onwards as there is no such information out from the officials about KCET cancellation. So I would suggest you to stay tuned with us on below provided website to know all latest updates for the same -

http://www.engineering.careers360.com/

Hope this helps!!!