Tax Deducted at Source (TDS) is a mechanism under the Income Tax Act that ensures tax is collected at the time income is paid, rather than later at the time of filing returns. It helps the government receive tax revenue throughout the year and makes it easier to track taxable income.
TDS stands for Tax Deducted at Source. It means a person making specified payments must deduct tax from the payment and deposit it with the government.
The deductee receives the net amount (after TDS), but the gross income is considered for tax calculation. The TDS amount deducted is reflected in the deductee’s PAN and is adjusted against their final tax liability. If total TDS exceeds final tax payable, the excess is refunded after filing the Income Tax Return (ITR).
TDS applies when:
Key rules:
To know the exact rate and limit, deductors must refer to the relevant TDS rate chart under the Income Tax Act.
A company, Dine Pvt. Ltd., pays monthly office rent of ₹80,000.
TDS = ₹80,000 × 10% = ₹8,000
Net payment to owner = ₹72,000
The owner will:
TDS deducted must be deposited to the government on or before the 7th of the next month.
Examples:
Delay attracts interest and penalties.
TDS returns are filed quarterly. Here are the due dates:
| Quarter | Period | Due Date |
| Q1 | Apr–Jun | July 31 |
| Q2 | Jul–Sep | Oct 31 |
| Q3 | Oct–Dec | Jan 31 |
| Q4 | Jan–Mar | May 31 |
TDS payments must be made through the Income Tax Portal using the TAN login.
Steps:
The older OLTAS system has been fully migrated to the new e-Pay Tax system.
Different forms apply for different types of payments:
| Form | Applicable For | Due Dates |
| 24Q | Salary payments | Quarterly on July 31, Oct 31, Jan 31, May 31 |
| 26Q | Non-salary payments to residents | Same dates as above |
| 27Q | Payments to non-residents (except salary) | Same dates as above |
| 26QB | TDS on property purchase | Within 30 days from the end of the month |
| 26QC | TDS on rent under 194-IB | Within 30 days |
Returns must include TAN, PAN of deductees, amount deducted, and nature of payment.
Deductors must issue TDS certificates to deductees as proof of tax deducted.
| Certificate | For | Frequency | Issue Deadline |
| Form 16 | Salary | Yearly | May 31 |
| Form 16A | Non-salary payments | Quarterly | 15 days after the return due date |
| Form 16B | Sale of property | Per transaction | 15 days after filing 26QB |
| Form 16C | Rent under 194-IB | Per transaction | 15 days after filing 26QC |
Form 26AS is a consolidated statement showing:
Tips:
Under Section 234E:
The late fee must be paid before submitting the pending TDS return.
| Basis | TDS | Income Tax |
| Collection Time | During payment | After total income calculation |
| Collected By | Payer (deductor) | Taxpayer |
| Purpose | Advance tax collection | Final tax liability |
| Filing | Deductor files TDS returns | Taxpayer files ITR |
| Applicability | Specified payments | Total annual income |
TDS is an essential compliance mechanism for both individuals and businesses. Understanding TDS deduction rules helps:
Deductors must check the applicable rate, threshold, due dates, and file returns on time, while deductees should verify their Form 26AS to claim correct TDS credit.

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