Hello Aspirant,

See as we know that CAT 2020 applications are going on and it will continues till September 16th. After application process gets over the correction process in application shall be started tentatively from September 29th. So yes you can make required corrections at that time even after completing your payment process in the application process.

For more details refer to the link given below :-

https://bschool.careers360.com/exams/cat

I hope this information helps you.

Good Luck!!