After changing the authorized signatory mobile no or email id using amendment of gst registration we cannot use old user ID and password to login to gst site .So we can use the first time login option for login by giving our GST no as user ID and give password that received in updated mail id or phone number
Yes sir it's amendment through department.sir is there any other option to change authorized signatory phone number and email id.also how can we correct the name of the owner of business as in adhar in gst registration.is it core field or non core field amendment