Hey!

If you are talking about admission through comedk then you can check out previous years cutoffs to get a rough estimate that which colleges are an option. You can refer to link given below to check the cutoffs out https://engineering.careers360.com/articles/comedk-uget-cutoff

If you are looking for admission in the top 10 colleges in CS branch, chances are fewer. You can look into other branches or other great colleges whatever you prefer. Although, your son can get admission in good colleges like Meenakshi Institute of Technology and JSS academy in CSE.