Hello Manoj!
Earlier, correction facility for COMDEK was scheduled to be available from 18th April to 20th April, 2020. But due to COVID-19 lockdown, the exam has been rescheduled to  1st week of June and new date for making corrections will be announced in 1st week of May.
So, you are suggested to kindly keep visiting the official website :
https://www.comedk.org/about-uget-and-notification/#ffs-tabbed-13

Hello Manoj !

The dates have not been released yet , for correcting the application form.

As , due to covid 19 , the examination date is shifted to 1st week of June , and the last date to fill the application is extended to 5th may 2020.

I advised you to check the latest updates on their official site or on our site ,

https://engineering.careers360.com/articles/comedk-uget

Hope it helps !