You need to submit some essential docs like your ID proof (PAN card/voters ID/ passport/driving license), address proof (Recent telephone bill/electricity bill/property tax receipt/passport/voters ID), and DOB proof (10th class certificate). Financial docs like statements (latest 3 months bank statement / 6 months bank passbook) and latest salary slip or current dated salary certificate with latest Form 16 are also mandatory. If you are self employed, then you need to submit financial docs like bank Statements(latest 6 months bank statement /passbook), latest ITR along with computation of income, B/S & P&L a/c for the last 2 yrs. certified by a CA, and qualification proof of the highest professional degree.