Individuals whose total income during the previous year exceeds the maximum amount not chargeable to tax should file their income tax returns, according to Section 139 (1) of the Income Tax Act. Here are a few details that you need while e-filling your income tax returns:
Bank account details
PAN details
Rent receipts for claiming HRA
Salary or Pay slips
Form 16
Deductions claimed under Section 80
Tax payment details such as TDS and advance tax payments
Income proof for income received from investments like Fixed Deposits, savings account