In India there are lots of GST Suvidha Centers available, and it's very hard to define their timing because these agency run by individual people with a small team of employees. So some of them are providing their services between 10:00 am to 6:30 pm and some are 9:30 to 6 o clock. So it's better to check out your nearest GST Suvidha Center timing. If you want to check your nearest GST Suvidha Center timing you can follow the below steps.
Go to google Maps and type GST Suvidha Center.
Make sure your mobile location setting is turned on.
Now choose which center you want to visit.
Then click on it, and you can see the below of agency name and description of the working hours define on Google Maps.