Hii pushpam
there are lots of students who get confused between these two streams
Major difference between these two are

• IT deals with the applications of computing technologies with real life process wheras CSE deals with the science that facilitates these applications
• Other differences is that CSE also deals with hardware part while IT is confined to software part

For more information you can check The following link

• https://www.careers360.com/question-what-is-the-main-difference-between-cse-and-it-do-same-companies-visit-both-the-branches-for-placement