ITR filing: These apps will help you file your income tax returns for free ITR filing: As per the latest data by the Income Tax India, more than 5.16 crore ITR for AY 2020-21 have been filed till January 6, 2021. Yesterday alone 8,43,506 ITRs were filed BusinessToday.In | January 8, 2021 | Updated 16:20 IST Filing your income tax returns is a mammoth task. This year, however, government has extended the deadline multiple times due to the COVID-19 pandemic Filing your income tax returns is a mammoth task. This year, however, government has extended the deadline multiple times due to the COVID-19 pandemic. Now, the last date to file your returns is January 10, Sunday. The deadline for filing tax returns by businesses too has been extended till February 15. Yet, the Central Board of Direct Taxes (CBDT) data tells that many taxpayers have still not filed their returns despite extending the deadlines.