Change in Mob no and email id

Dear Sridhara

please go to refer this link...


https://www.caclubindia.com/articles/how-to-change-mobile-number-or-email-id-on-gst-portal--32603.asp

Yes You can change 

Goto 

Dashboard < Registration <  Amendment of Registration Non-Core fields

Then Add a Fake  Authorized Signatory  and make him Primary Authorized Signatory and enter changed Mobile No. and Email ID.

After this remove Fake Authorized Signatory from Primary Authorized Signatory and make Earlier one. Then your Mobile No. and Email ID will be updated automatically.

After such Change Remove Fake one.