Computes interest under Section 398(3) of the Income-tax Act, 2025 (old Section 201(1A)).
Interest is charged on the TDS amount; any part of a month counts as a full calendar month.
Late-deduction interest (1%)
β
Late-deposit interest (1.5%)
β
Total interest payable
β
Months charged (deduct / deposit)
β
Enter details and compute. Interest is calculated on a part-month-as-full-month basis.
Legal reference: Section 398(3)(a)(i) β 1% per month for late deduction;
Section 398(3)(a)(ii) β 1.5% per month for late deposit, Income-tax Act, 2025 (old Section 201(1A)).