How to use this calculator
- Enter the donation made, the recipient institution and the mode of payment.
- Choose the institution type to match your situation.
- Read the deduction allowed and the amount not eligible in the result.
Cash donations above a stated limit are not allowed; confirm the approval of the recipient.
The result is an estimate for the figures you enter. It is not a filed return, a certificate or professional advice. Rates, thresholds and section numbers change with each Finance Act, and the Income-tax Act, 2025 applies from 1 April 2026 with new section and form numbers.
For the related work, see Income tax return (ITR) filing.
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