CBIC has clarified on its twitter handle that Representations have been received on non-availability and extension of date of FORM GSTR-4 for FY 2019-20 on the GST portal. The matter of extension of date of GSTR-4 for FY 2019-2020 is under consideration by the GST Implementation Committee.
CBIC has tagged in its tweet Office of Minister of Finance and Corporate Affairs (Smt. Nirmala Sitharaman), and Union Minister of State for Finance & Corporate Affairs (Shri. Anurag Thakur).
Form GSTR-4 is to be filed by a taxpayers who are registered under the composition scheme. The composition taxpayer needs to provide the details of the outward supplies and inward supplies (other than attracting reverse charge and attracting reverse charge) and those received from the unregistered dealers including the details of services imported from outside India in Form GSTR-4. Read More about Form GSTR-4 at below links-
https://taxguru.in/goods-and-service-tax/gstr-4-composition-scheme-return-faqs-manual.html