ITR filing: File your returns with these free apps at ease, here's how Due to the pandemic, the government of India extended the deadline for filing income tax returns multiple times and the last date is now January 10. With the use of free applications, anyone can file their tax returns in a few minutes. (File image for representation) Share Updated: Jan 9, 2021, 03:40 PM IST Filing income tax can be a huge task for many people. Due to the COVID-19 pandemic, the government of India has extended the deadline for filing income tax returns multiple times. The last date to file the IT returns is now January 10. For the businesses and firms, the last date for doing the same is February 15.