Karnataka PGCET cutoff is expected to announce in the last week of August or in the month of September. It would be tough to tell you the exact as the cutoff depends on the various factors like difficulty level of the Exam, Number of Candidates appeared for the exam, Previous year’s cutoff trends etc. You can refer 2017 cutoff to take an Idea about your admission possibilities.

http://kea.kar.nic.in/pgcet_2017/r1/mtech_cutoff_2017.pdf

Good Luck!