Apply for Lower Tax Deduction Certificate for TDS

Signed Form 13
PAN card copy
Tax Deduction Account Number (TAN) of parties paying you
Estimated income during the financial year
Computation of income statement for last 3 financial years
Estimated computation of income for the current financial year
Copies of assessment orders for the last 3 financial years (if applicable)
Copies of IT returns with enclosures and acknowledgment for the last 3 financial years
Copies of financial statements and audit reports for the last 3 financial years (if applicable)
Projected profit and loss account for the current financial year