The Income Tax Return (ITR) due date for AY 2019-20 was indeed extended to 30th September 2020. However, it's important to note that this was an extension, and the original due dates for various taxpayer categories, such as individuals, HUFs, and BOIs, had lapsed in August 2019. Businesses requiring audit had until 31st October 2019, and those needing a TP report had until 30th November 2019.
31 August 2020
Category of Taxpayer Due Date for Tax Filing – FY 2018-19
Individual 31st August 2019 Body of Individuals (BOI) 31st August 2019 Hindu Undivided Family (HUF) 31st August 2019 Association of Persons (AOP) 31st August 2019 Businesses (Requiring Audit) 31st October 2019 Businesses (Requiring TP Report) 30th November 2019