Check GST return status of a client from 1st July 2017. The status are fetched from GSTN server directly. So no chance of mistake.
When a client in created in which GST in ticked, then after saving such client, you will be taken to this page.
You can see this page afterwards by going to client page from top menu and then click on GST return status button in heading.
This button is shown only in clients which has GST ticked. GST return status is public data and provided by GSTN without username and password. If you didn’t enter your username and password in client, then also this functionality will work. It uses only GSTIN to fetch return status.