Regarding GST core filed changes

No need any other process...

It will be consider after gst officer's attention.
You can see the details under services tap...

(or contact Your circle officer)

Sir this metter handle by CA or Advocate compulsary ?

( Sir this metter handle by CA or Advocate compulsary ? )

The application / changes can be file CA or Advocate or Consultants. But, Approval by only GST officials hand. Not in consultants hand...

Wait on further availability of updating by dept or contact your circle officer...

(if urgent then better to contact circle officer and say your requirements)