PAN card Aadhaar card Permanent address proof Bank account details related to the financial year (indicate which account any income tax refund should go to) Form 16 and proofs of all the “other incomes” ( like commission, interest income, and/or dividend) Details of tax deduction(s), related to Section 80C, Section 80D, and many such deduction related to investments/expenses and other allowances – as mentioned under Chapter VIA. Proof of tax paid (TDS, advance tax, and so on.) Financial statements of the entity/ corporate Statement of equity trading/ future-options/ mutual funds (for all Demat accounts) Details of any capital assets sold/ purchased during the year