How often are businesses required to file GST returns? Option: "Quarterly", "Monthly", "Weekly", "Annually"

How often are businesses required to file GST returns?

What is the name of the online portal used for GST filing?

What is a GST Return?

Which of the following situations would allow a business to apply for GST deregistration?

Which form is used by composition suppliers to file quarterly returns?

What is the minimum annual turnover threshold for mandatory GST registration in most Indian states?