See this link:

http://kea.kar.nic.in/cet_2018.htm

Hello,

Look below for details about KCET 2018 application form:

Karnataka Examinations Authority (KEA) will conduct KCET 2018 in offline mode on April 18 and 19 ,2018 for all the candidates. KCET 2018 will be conducted separately for Physics, Chemistry,  Mathematics and Biology on two alternate days in 80 minutes time duration. It is important to note that Horanadu, Gadinadu and Kannadiga category candidates can take up KCET 2018 in Kannada language at the Bangalore centre only on April 20. The state level engineering entrance exam will be conducted for admission to various B.Tech programmes offered by government and private institutions of Karnataka. Candidates will have to fill KCET 2018 application form in online mode tentatively available from the fourth week of January to the last week of February 2018. The application form of KCET 2018 has to be submitted by candidates along with the application fee before the end prescribed date. However, it is important for candidates to meet the eligibility criteria of KCET 2018 before applying for the exam. The admit card of KCET 2018 will be accessible to candidates in online mode few days before the exam. The result of KCET 2018 will be announced in fourth week of May tentatively...

You can visit it's website regularly for more updates.

Good luck.