<https://www.indiafilings.com/learn/form-gstr-4-due-date-extension/#webpage>
<http://schema.org/description>
"Form GSTR-4 is a quarterly GST return that must be filed by a person enrolled under the GST Composition Scheme. The time limit to file GSTR-4 annual returns for the financial year 2019-2020 had been extended till July 15, 2020, on April 3, 2020."
<https://www.indiafilings.com/learn/form-gstr-4-due-date-extension/>