Hi Aman, 

Firstly, I congratulate you on securing the rank of 4100 in CUSAT CAT 2019 entrance examination. With the rank secured by you and the previous years' cutoffs, there are quite some colleges where you can consider taking admission in various disciplines offered by that institute/ university. Some of these universities/ colleges are:

1. School of Engineering, Cochin University of Science and Technology, Ernakulam - Information        Technology.

2. Cochin University College of Engineering, Kuttanad - Computer Science and Engineering.

3. Cochin University of Science and Technology, Ernakulam - Polymer Technology, etc.

For a detailed overview of colleges that you can consider for admission is mentioned in the link below:

https://engineering.careers360.com/articles/cusat-cat-cutoff

BEST WISHES!