CBIC vide notification No. 33/2021- Central Tax dated 29th August, 2021 seeks to extend GST Amnesty Scheme from 31st August 2021 to 30th November 2021, to provide waiver of Late Fees for late filing of GSTR-3B return for the period from July 2017 to April 2021.
https://www.cbic.gov.in/resources//htdocs-cbec/gst/notfctn-33-central-tax-english-2021.pdf