Advance Tax: Who Must Pay, the Deadlines, and the Interest for Missing Them

Income tax in India is not an annual bill — it is a pay-as-you-earn system. Salaried employees rarely notice, because TDS does the paying for them. But the moment you have meaningful income that TDS doesn't cover — freelance fees, business profit, hefty FD interest, capital gains, rent — the law expects you to pay tax during the year, in instalments, under the advance tax rules.

Miss that, and the return you file next July comes with interest charges that surprise people far more often than they should.

The one-line test

If your total tax for the year, minus TDS already deducted, exceeds ₹10,000 — advance tax applies to you.

Note what this means for salaried people: salary TDS usually covers salary. It does not cover your other income. A salaried employee with large FD interest, serious freelance income on the side, or a big capital gain can owe advance tax without ever thinking of themselves as a "business".

Exemption worth knowing: a resident senior citizen (60+) with no business or professional income is exempt from advance tax entirely — interest and pension income alone don't drag them into the schedule.

The instalment schedule

Advance tax is paid in four cumulative instalments:

"Cumulative" means each date is a running total, not a fresh quarter — by 15 September you should have paid 45% of the whole year's estimated tax, whenever the income arrived.

Presumptive taxpayers (Sections 44AD/44ADA — many freelancers and small businesses) get a simpler deal: a single instalment, 100% by 15 March.

The cost of missing: Sections 234B and 234C

Two separate interest charges, both simple interest at 1% per month:

• 234C — you missed instalments. Charged per shortfall against each due date (roughly three months' interest per missed instalment; one month for the March one). Small tolerance margins exist (paying ≥12%/≥36% at the first two dates avoids the charge for those instalments).
• 234B — you under-paid the year overall. If by 31 March you've paid less than 90% of your final tax, 1%/month runs from 1 April until you settle.

Neither is a penalty in the legal sense — they're interest, unavoidable by argument and entirely avoidable by calendar. At 12% a year, they turn a "we'll sort it at filing" habit into real money.

A capital-gains subtlety in your favour: gains can't be predicted before they happen. The rules therefore let you pay the tax on a gain in the instalments falling after the sale date without 234C interest for the earlier dates. Sell in January, pay with the 15 March instalment — but do pay it then, or 234B awaits.

How to actually do it

1. Estimate the year. Salary (TDS handles it) + everything else: freelance income minus expenses, interest (the FD Calculator shows exactly what an FD will credit), expected gains, rent. Run the total through the Income Tax Calculator — both regimes.
2. Subtract TDS you expect. Clients deduct 10% on professional fees; banks 10% on interest — your Form 26AS/AIS shows what's landing.
3. If the remainder exceeds ₹10,000, calendar the four dates. Pay online via the e-filing portal ("e-Pay Tax" → advance tax challan); it takes minutes.
4. Re-estimate at each date. The schedule is cumulative, so a slow first half followed by a strong second half self-corrects at the later instalments.
5. Anything still short at filing is paid as self-assessment tax, with whatever 234B/234C interest has accrued.

Frequently asked questions

Who has to pay advance tax? Anyone whose tax liability after TDS exceeds ₹10,000 in a financial year — freelancers, businesses, and salaried people with significant non-salary income. Resident senior citizens without business income are exempt.

What are the due dates? 15 June (15%), 15 September (45%), 15 December (75%), 15 March (100%), cumulative. Presumptive-scheme taxpayers: one instalment, 100% by 15 March.

What if my income is impossible to predict? Estimate conservatively and correct at each successive date — the cumulative design forgives honest revisions. Capital gains are handled from the instalment after the sale.

Is advance tax separate from TDS? Same tax, different collection route. TDS is deducted by whoever pays you; advance tax is what you deposit for income TDS doesn't reach. Both are credited against your final liability at filing.

What's the difference between advance tax and self-assessment tax? Timing. During the year: advance tax. At filing, settling the remainder: self-assessment tax — plus any 234B/234C interest the delay earned.

Estimate the year's liability — both regimes, with your deductions — in the Income Tax Calculator. Interest income to include? The FD Calculator and RD Calculator show exact credited interest.

Official sources: Income Tax Department — Sections 207–211 (liability and instalments), 234B/234C (interest), 44AD/44ADA (presumptive).

Disclaimer: This article is for general information only and is not tax advice. Thresholds, dates and interest rules change via the Finance Act; verify against official sources or consult a qualified professional.