HI Aspirant,

The cutoff rank varies from college to college.For School of Engineering, Cochin University of Science and Technology, Ernakulam the closing rank was 3165 ,for Cochin University College of Engineering, Kuttanad the closing rank was 3823 ,Cochin University College of Engineering, Kuttanad offers msc maths at rank of 5195.The cutoff however varies from year to year.

Hope it helps!!