TDS Explained: Why Tax Is Deducted Before You're Paid
TDS — Tax Deducted at Source — is the reason your salary arrives smaller than your CTC ÷ 12, your fixed deposit interest shows up trimmed, and lakhs of Indians get a refund every year without quite knowing why. The idea is simple: instead of trusting everyone to pay tax once a year, the law makes the payer cut tax at the moment of payment and deposit it against your PAN.
The single most important sentence in this guide:
TDS is a prepayment, not your final tax. Your actual tax is computed on your total income when you file. TDS merely gets adjusted against it — too much deducted and you're owed a refund; too little and you owe the balance.
Where you'll meet TDS
| Payment | Typical section | Rate (with PAN) | When it applies |
|---|---|---|---|
| Salary | 192 | Your slab (employer estimates the year) | Every month |
| Bank/FD interest | 194A | 10% | Interest above the bank's annual threshold (higher for senior citizens) |
| Rent (individual paying high rent) | 194-IB | Set % of rent | Above the monthly threshold |
| Professional/freelance fees | 194J | 10% | Above the annual threshold |
| Property purchase | 194-IA | 1% of price | Sale value above ₹50 lakh — the buyer must deduct |
| Dividends | 194 | 10% | Above the small annual threshold |
No PAN? TDS jumps to 20% (or worse). Keeping your PAN updated everywhere you're paid is the cheapest tax planning there is. Thresholds are revised in Finance Acts — check current figures at the Income Tax Department.
Salary TDS: why December surprises happen
Your employer estimates your full-year tax — using the regime you've declared and the proofs you've submitted — and spreads it across twelve months. Every mid-year event breaks the estimate: a raise, a bonus, joining mid-year with an old employer's income undeclared, or failing to submit HRA/80C proofs the employer assumed. The result is a sharp catch-up deduction in the last quarter.
If you're choosing between regimes, do it with numbers, not defaults: the Income Tax Calculator computes both. If you pay rent, an undeclared HRA exemption is one of the most common causes of over-deducted salary TDS.
FD interest: the classic trap — and the honest arithmetic
Banks deduct 10% TDS on FD interest above the threshold. Two things people get wrong:
- TDS at 10% ≠ tax paid in full. If you're in the 30% bracket, the remaining ~20% on that interest is still due when you file. A ₹5,00,000 FD at 7% for 5 years earns ₹2,07,389 of interest (FD Calculator — quarterly compounding); in the 30% bracket the total tax on that is far more than the TDS the bank cut.
- TDS applies even if you'd owe no tax. If your total income is below the taxable limit, submit Form 15G (or 15H for senior citizens) to the bank to stop the deduction — otherwise your money sits with the government until refund season.
Interest is taxed on accrual each year, not just at maturity — which is one reason post-tax FD returns disappoint the higher brackets. The safe-money alternatives are compared in FD vs RD vs PPF (PPF interest is entirely tax-free).
Form 26AS and AIS: check what's recorded against you
Everything deducted against your PAN lands in Form 26AS (the tax-credit statement) and the broader AIS (Annual Information Statement) on the income-tax portal. Before filing, reconcile:
- every TDS entry you expect is present (else chase the deductor — you can't claim credit for tax deposited against the wrong PAN);
- nothing appears that isn't yours;
- interest, dividends and securities transactions match your own records — the AIS is also how pre-filled returns and capital gains figures are built.
TDS ≠ done: the year-end reconciliation
At filing time: total income → total tax → minus TDS (and any advance tax) → refund or balance payable. Three situations to recognise:
- Refund case: TDS exceeded your true tax (common with 15G-eligible savers who didn't file the form, or missed deductions). File to get it back — refunds aren't automatic without a return.
- Balance case: you had income TDS didn't fully cover — FD interest in a high bracket, freelance income, capital gains. If the shortfall is large, advance tax applied during the year, and interest under 234B/234C may accrue — see the Advance Tax guide.
- Exact case: salaried, one employer, proofs submitted, no other income. The lucky ones.
Frequently asked questions
Is TDS my final tax? No. It's a prepayment adjusted against your actual liability at filing. You may owe more or be due a refund.
Bank deducted TDS but my income is below the taxable limit — what now? File your return to claim the refund, and submit Form 15G/15H at the start of the next year so it doesn't recur.
What happens if I don't give my PAN? Higher TDS (typically 20%), and the credit may not reach your Form 26AS — the worst of both.
How do I check TDS deducted on my income? Form 26AS and the AIS on the income-tax portal, updated as deductors file their quarterly returns.
Does TDS apply to SIP or mutual fund redemptions? Not for resident investors on redemption gains (dividends above the threshold do attract 10%). You pay any capital gains tax at filing — see Capital Gains Tax in India.
See how your full-year salary tax should look — both regimes, with deductions — in the Income Tax Calculator; check FD interest exposure with the FD Calculator.
Official sources: Income Tax Department — Chapter XVII-B (Sections 192–194), Form 26AS/AIS, Forms 15G/15H.
Disclaimer: This article is for general information only and is not tax advice. Rates and thresholds change via the Finance Act; verify current figures against official sources or consult a qualified professional.