Filing income tax returns is an essential obligation for every taxpayer. It not only helps you abide by the law but also ensures that you are contributing to the development of the nation. Under Section 139(8A) of the Income Tax Act, taxpayers have the option to file their income tax returns for the last three years. File Your Last 3 year of Income Tax Return for AY 2021-22, AY 2022-23, AY 2023-24.