As per the official schedule, the mock allotment was to be released today,i.e. 16th July after 6pm. But till now there is no official notification regarding the same. You will have to keep visiting the official website for latest updates.

The real allotment will be after mock allotment scheduled on 19th July. Currently seat matrix and option entry links are available.

KCET official link : http://kea.kar.nic.in/#

KCET 2018 schedule : http://kea.kar.nic.in/cet2018/r1_schedule_engg.pdf

Hope this helps.

Good luck!!