You are looking for the Cochin University of Science and Technology CAT Entrance notification so

here is no notification regarding to CAT Entrance and CAT Entrance notification is made in for admission 2013-14 in first week of January.
And the common admission test (CAT 2013) will be on 11&12 may 2013 at various centers at all over India.

Here I am giving you CAT 2012 notification as below:-
Date of Notification : 10.01.2012
Online Registration : 15.01.2012 to 05.02.2012
Dates of Exam for 5th May 2012, for take admission in the B.tech