Hii shreya..

As your rank is 4763 in cusat cat 2019 .you can definitely apply  as the cut-off trends are for cusat cat ( general category )  is closes by 6800.

But may you can  apply in cusat ernakulam only for IT which require 4793 as closing rank..

.for other branch in cusat ernakulam may it will difficult...

But  you  can easily apply for cochin kuttanad branch for almost all engineering branch

•Cochin university college of engineering, kuttanad (IT,Civil ,EE,ECE,CSE)

                   IT   :  6800

           Civil.      :  5195

              EE .     : 5342

             ECE.  :    5385

Hope it will help!!

All the best!!