Gst stands for goods and service tax governed by gst laws-2017 implemented all over india.
Gst number is a 15 digit combination allotted by department to you. First 2 digit implies your state code, then your pan no.is added. After pan number, 1 or 2 is allocated and then combination of alphabat is made by department.
Gst return is filed from time to time in monthly, quarterly, annualy at gst portal. To avail help in filling gst return, you can visit here. Gst Return
In case your gst return is Nil, then 20 rs. Per day from the next date of fue date and for tax return- 50 rs. Per day subject to maximum of 10000 per month.
If we think Practically, all major business are required to obtain Gst. Restriction On Inter state supply without gst makes it mendatory for some businesses. Further while applying for any tender, Contract, service agreement, they requires gst registration number so we shall ready for coming opportunity with all completed documents. So Gst Registration gives you a unique identity to your business and it will be beneficial if you obtain Gst registration.
On Gst portal, you can search taxpayers by gst numbers or pan numbers and their public information like contact number, address will be obtained on portal. You can also check whether prospective business partner is filling gst return and paying tax on time or not.