Gst return filling

Your query is not cleared...

Better to ask with some details like Composition dealer or Regular dealer...

GSTR 1 return or GSTR 3B return...?
Is tax liability or Nil return...?

In case of GSTR 3B, July-Sep penalty has been waivered.
Recently there has been talk of Waivering Penalty Till December month.

Per day of delay - GSTR 3B
Rs. 50 in case of Sale/Purchase transaction
Rs 10 in case of a Nill Return
subject to maximum of 5,000 CGST &5,000 SGST

For GSTR 1: There are no penalties