Interest on late TDS deposit

TDS was deducted but deposited late — how much interest? Whether you count from the due date or from the date of deduction can change the answer by a full month. This calculator shows both.

All calculations happen in your browser — nothing is sent

TDS amount (the amount deducted)

Date of deduction

Deposited by challan on Not deposited yet — count up to today

Rules this calculator applies

Due date: the 7th of the month after deduction. TDS deducted in March is due on 30 April.
Rate: 1.5% for every month or part of a month — even one day counts as a full month, so a one-day delay still costs a month of interest.
Deposited on or before the due date: no interest, whichever basis you use.

Due date or date of deduction?

The section speaks of interest from “the date on which such tax was deducted” — the stricter reading, which adds a month. In practice many accountants and software count from the due date. The PaisaMatch Plus desktop app uses the due date by default, offers the stricter basis as a checkbox, and prints the basis used on every report.

The call is yours. That is why both figures are shown here — so you know the difference before a client or a notice asks.

What this calculator does not do

Interest for late deduction (a separate, lower rate) is not included.
With several deductions and challans, the desktop app matches them first in, first out (oldest liability first) — here it is one amount and one payment.
The Income-tax Act 2025 applies from 1 April 2026 and section numbers have changed. This calculator uses the same maths as the desktop app; confirm the new Act’s section and rate. The TRACES demand figure can also differ slightly.