Composition Taxpayer

Yes as per Notification 47/2019 CT to furnish annual return is optional for taxpayer whose aggregate turnover is below 2 crore.

There is no any such information from council that inward supply need not to provided in GSTR 4 annual return form.

So its mandatory in that case & if your case is selected for assessment/scrutiny , the penalty can be levied u/s 125 of CGST Act.

Here, the point goa is irrelevant.
The turnover is the threshold limit.
Turnover Rs.2 crore.