An income tax return (ITR) is a form that you use to submit data to the income tax department regarding your earnings and taxes. Based on the taxpayer's income, the amount of tax due is determined. The individual will be qualified to obtain an income tax refund from the Income Tax Department if the return indicates that too much tax was paid during the year. According to income tax legislation, any person or corporation that receives any income during a fiscal year is required to file a return each year. The revenue could be obtained by a wage, business profits, rental income from real estate, dividends, capital gains, interest payments, or other means. You must file tax returns.