What is Income Tax Return? An income tax is a tax leviedupon income or profit earned by all individuals or businesses. Income Tax Return consist of various form swhich are filed by individual or business to provide information about their income and tax to income tax department. The forms included are ITR 1, ITR 2, ITR 3, ITR 4, ITR 5, ITR 6 and ITR 7. Details required for IT filings Entity Name Date of Incorporation PAN number of the Company Registered Office Address Annual Income Details Financial Reports for this year filing Previous IT filing details (Financial Statements) User ID & password for https://incometaxindiaefiling.gov.in site, if any Due dates for filing IT return July 31 : For individuals and firms who are not liable to audit September 30 : Companies and others who are liable to audit March 31 : Belated returns for individuals and companies