This discussion clarifies the last dates for filing Income Tax Returns (ITR) 1 for Assessment Year 2020-21, which was 30th November 2020, and for AY 2019-20, which was 30th September 2020. It also outlines the income tax slab rates for AY 2020-21, including special nil thresholds for senior and very senior citizens, and touches upon tax rebate under section 87A.