The stock market was at an all-time high in financial year 2021 and many investors may have booked their profits during the year. While we all keep in mind the taxation aspect of incomes such as from salary, rent and businesses, we often ignore the taxation of gains made from trading on the stock market. These gains will also need to be included in the income tax return (ITR) you need to file by December 31, 2021 for assessment year 2021-22 (FY2020-21).