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TDS Basics: Deduction, Deposit, Quarterly Returns and Form 16

A beginner's guide to Tax Deducted at Source (TDS): who deducts it, when it must be deposited, the quarterly TDS returns (24Q, 26Q, 27Q), TDS certificates and the cost of delays.

By Ledgermint Editorial Team · · 2 min read

Key takeaways

  • TDS is tax collected in advance: the payer deducts it from certain payments and deposits it with the government.
  • TDS deducted in a month is generally deposited by the 7th of the next month (30 April for March).
  • Deductors file quarterly returns — Form 24Q for salary, 26Q for other payments to residents and 27Q for non-residents.
  • Certificates (Form 16 for salary, Form 16A for other payments) let the payee claim credit for the tax.
  • Late deposit attracts interest and late filing attracts a fee, so a monthly TDS calendar is essential.

Tax Deducted at Source (TDS) is one of the first compliance tasks given to a new accounts executive. The idea is simple: instead of waiting for the payee to pay tax at the end of the year, the payer deducts a percentage at the time of payment and deposits it with the government.

Common payments that attract TDS

  • Salary paid to employees
  • Payments to contractors and sub-contractors
  • Professional and technical fees
  • Rent for land, buildings, plant and machinery
  • Commission and brokerage
  • Interest other than on securities

Each type of payment has its own rate and threshold. A business needs a TAN (Tax Deduction and Collection Account Number) before it can deduct and deposit TDS.

The TDS cycle in four steps

1. Deduct

Deduct TDS at the applicable rate at the time of credit or payment, whichever is earlier. If the payee has not furnished a PAN, a higher rate generally applies.

2. Deposit

Deposit the tax by the 7th of the following month. For tax deducted in March, the due date is 30 April.

3. File quarterly returns

FormUsed for
24QTDS on salary
26QTDS on other payments to residents
27QTDS on payments to non-residents
27EQTax collected at source (TCS)

Returns are due by 31 July (April–June), 31 October (July–September), 31 January (October–December) and 31 May (January–March).

4. Issue certificates

Form 16 is issued to employees annually for TDS on salary; Form 16A is issued quarterly for other payments. Payees match these with their Form 26AS / Annual Information Statement when filing their income tax returns.

What happens if you are late?

  • Interest is charged per month (or part of a month) for late deduction or late deposit.
  • A late filing fee applies for each day a TDS return is delayed, capped at the amount of TDS.
  • Penalties may apply for not filing or for filing incorrect returns.

A note on the Income-tax Act, 2025

From tax year 2026-27, TDS provisions sit in the new Income-tax Act, 2025, and section and form references are being renumbered. The cycle — deduct, deposit, file, certify — stays the same. Learn the concepts, then map them to the current section and form numbers your employer uses.

Rates, thresholds and due dates are set by law and can change. Always confirm them against current CBDT notifications.

Frequently asked questions

What is the due date for depositing TDS?
TDS deducted in a month is generally deposited by the 7th of the following month; TDS deducted in March is due by 30 April.
What is the difference between Form 24Q and Form 26Q?
Form 24Q is the quarterly TDS return for salary payments; Form 26Q is the quarterly TDS return for other payments made to residents, such as contractor and professional fees.
What is the difference between Form 16 and Form 16A?
Form 16 is the annual TDS certificate for salary issued by an employer; Form 16A is a quarterly TDS certificate for non-salary payments.

Learn this hands-on

This article is for general education and is not tax, legal or investment advice. Laws and rates change — confirm current rules with official sources or a qualified professional.

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