For NRI Taxpayers:
- Tax Residency Certificate: From the country of residence
- Foreign Tax Paid Documentation: For claiming double taxation relief
- FEMA Compliance Records: Foreign exchange transaction documentation
- Overseas Bank Statements: Foreign account details and balances
For Senior Citizens:
- Pension Payment Records: Government or corporate pension statements
- Medical Insurance Premiums: Enhanced deduction documentation
- Senior Citizen Savings Scheme: Investment and interest certificates
- Medical Expense Receipts: For higher deduction limits
For First-Time Filers:
- PAN Card: Permanent Account Number
- Aadhaar Card: For authentication and verification
- Bank Account Details: For refund processing
- Digital Signature Certificate: For electronic filing (if applicable)