Yes you may find difficult in Verbal section which is generally tough. 

But this can be overcomed by starting preparing early enough and joining coaching institutions like TIME/CareerLauncher /IMS /CATKing.

Remove such thoughts that you cannot score well because in pasteven Hindi Medium and other medium students have scored phenomenal marks with great consistent efforts and determination to succeed. 

Secondly all students get equal opportunities based on merit and aptitude and irrespective of medium and backgrounds. 

List of all preparation strategy shared below for CAT. 

https://bschool.careers360.com/articles/how-prepare-for-cat