I'm a salaried employee. Do I need to pay advance tax?

Not usually, because your employer deducts TDS monthly which functions as advance tax. However, if you have income beyond your salary — rental income, freelancing fees, capital gains, FD interest, dividends — and the total tax on that additional income exceeds ₹10,000 after accounting for any TDS already deducted, you are liable for advance tax on that additional amount.

What is the interest penalty for not paying advance tax?

Three interest sections can apply. Section 234B: if you've paid less than 90% of total tax liability by March 31, interest at 1% per month applies on the shortfall from April 1 until the date of actual payment. Section 234C: interest at 1% per month applies for each quarter where you paid less than the required cumulative percentage. Section 234A: if you file ITR late and have an outstanding liability.

Can I pay all my advance tax in March instead of quarterly?

You can pay 100% by March 15 and avoid the Section 234C instalment interest, but Section 234B still applies if the total paid by March 31 is less than 90% of annual liability. The safest approach is to pay quarterly on time. Lump-sum payment in March is acceptable but means you miss the benefit of paying in smaller amounts — and it requires having a large sum available at year-end.

Advance Tax: Who Needs to Pay It, When, and How

Most salaried employees never encounter advance tax because their employer manages it through monthly TDS. But for freelancers, business owners, rental income earners, investors with capital gains, or anyone with significant income beyond their salary, advance tax is a quarterly obligation that — if missed — comes with automatic interest penalties.

Understanding advance tax before you hit a large tax bill is far better than understanding it after.

What Is Advance Tax

Advance tax is the mechanism through which the Income Tax Act requires certain taxpayers to pay their tax liability in instalments during the financial year rather than all at once at filing time.

The rationale is practical: the government wants tax revenue as income is earned, not 12–15 months later when you eventually file your return.

Who must pay advance tax: Any individual whose estimated tax liability for the year is ₹10,000 or more — after accounting for TDS that has already been or will be deducted.

Practically, this means advance tax is relevant for:

Freelancers and consultants (whose clients may or may not deduct TDS)
Self-employed individuals and proprietors
Professionals in private practice (doctors, architects, lawyers)
Salaried employees with significant additional income (rental, investments, freelancing)
Investors with large capital gains during the year
Anyone who gets a large bonus or commission mid-year that wasn't projected

Who is exempt from advance tax: Senior citizens (age 60 or above) who do not have business or professional income are exempt from advance tax. They pay tax only at the time of self-assessment when filing the ITR.

The Quarterly Schedule

The advance tax calendar has four due dates. The cumulative payment by each date must meet the specified percentage of your estimated annual tax liability:

Due Date	Cumulative % of Total Tax Required
June 15	At least 15%
September 15	At least 45%
December 15	At least 75%
March 15	100%

Important note on capital gains: Capital gains that arise after March 15 (i.e., in the last 15 days of the financial year — March 16 to March 31) can be paid by March 31 without triggering Section 234C interest. This is a specific relaxation because capital gains can be difficult to predict and plan for.

Estimating Your Advance Tax Liability

You estimate your annual income across all heads:

Salary income: Your projected annual salary, minus standard deduction (₹50,000) and HRA exemption.

Rental income: Net annual rent received, minus 30% standard deduction (the flat deduction allowed on rental income for maintenance), minus property tax paid.

Interest income: Savings account interest, FD interest, bond interest — total amount expected for the year.

Business or professional income: Expected net profit for the year.

Capital gains: If you've already sold investments during the year and know the gains, include those. Future capital gains are harder to estimate — include them as they arise and adjust later quarters.

From this gross income, subtract applicable deductions under 80C, 80D, 80CCD(1B), 24(b), and others.

Calculate tax on the resulting taxable income using the applicable slab rates (old or new regime).

Subtract TDS already deducted or expected to be deducted — from your employer, from clients, from banks on FD interest.

The result is your advance tax liability. If this is above ₹10,000, you pay quarterly.

How to Pay Advance Tax

Advance tax is paid using Challan 280 (same challan as self-assessment tax) through the income tax e-filing portal (incometax.gov.in):

Go to e-Pay Tax under the Services menu
Select Income Tax
Choose Assessment Year (for payments in FY 2025-26, select AY 2026-27)
Select Type of Payment: "Advance Tax (100)"
Fill in the amount
Pay via net banking, UPI, or debit card

After payment, download and save the Challan 280 receipt — it contains the BSR code and challan serial number that you'll need when filing your ITR.

Advance tax payments appear in Form 26AS under Part C within a few days of payment. Always verify this before the next instalment.

Special Rules for Presumptive Taxation Scheme

Individuals opting for the presumptive taxation scheme under Section 44AD (business turnover up to ₹2–3 crore) or 44ADA (professional income up to ₹75 lakh–₹1.5 crore) have a different advance tax schedule:

They must pay 100% of their estimated advance tax liability in a single instalment by March 15
The quarterly instalment schedule (June, September, December) does not apply to them
If they miss the March 15 deadline, Section 234B interest applies from April 1

This is different from the regular 4-instalment schedule. Presumptive taxpayers have it simpler (one payment) but must remember it's due by March 15, not March 31.

The Interest Penalties: Sections 234B and 234C

Missing advance tax triggers two types of interest:

Section 234C — Instalment Default: Interest at 1% per month (simple) for each quarter where payment was short.

Calculated as:

For the June 15 deadline: If cumulative payment is less than 15% of total tax, interest = 1% × shortfall × 3 months
For the September 15 deadline: If cumulative payment is less than 45% of total tax, interest = 1% × shortfall × 3 months
For the December 15 deadline: If cumulative payment is less than 75% of total tax, interest = 1% × shortfall × 3 months
For the March 15 deadline: If cumulative payment is less than 100% of total tax, interest = 1% × shortfall × 1 month

Section 234B — Underassessment: If total advance tax paid by March 31 is less than 90% of total tax liability, interest at 1% per month applies on the shortfall from April 1 to the date of payment (self-assessment tax payment or actual filing, whichever is earlier).

Example: Your total tax liability for FY 2024-25 is ₹2,00,000. You paid ₹0 in advance tax (forgot entirely). Self-assessment tax was paid on July 31, 2025 (filing deadline).

Section 234B: 90% of ₹2,00,000 = ₹1,80,000 shortfall. Interest = 1% × ₹1,80,000 × 4 months (April, May, June, July) = ₹7,200.

Section 234C (for each missed quarterly deadline) would add further interest based on the quarterly shortfalls.

The interest rates are not crushing, but they add up — and more importantly, they indicate systematic non-compliance that can attract scrutiny.

Practical Tips for Freelancers and Consultants

Start tracking income quarterly, not annually. Most advance tax errors happen because people don't know their income position until they try to file the return.

For variable income: Be conservative early in the year. Pay slightly more in June to avoid the minimum threshold issue, and adjust in later quarters as your actual income becomes clearer.

Factor in TDS deducted by clients. Many companies deduct 10% TDS (Section 194J) when paying consultants and freelancers. This TDS counts toward advance tax. If all your consulting income has 10% TDS deducted, you may not owe additional advance tax unless your rate is higher than 10%.

Keep digital copies of challans. Store Challan 280 PDFs (with BSR codes and serial numbers) in your financial documents folder. You'll need these when filing your ITR.

Don't wait for the March 15 deadline to discover you owe a large amount. Review your income position in October (before the December instalment) and again in January (before finalising March). Surprises at filing time usually mean interest has already accrued.

Advance tax is not a punishment — it's simply a pay-as-you-earn mechanism for those whose income isn't captured through employer TDS. Building the quarterly discipline into your financial calendar from the start of your self-employed or multi-income journey is far simpler than catching up after the fact.

Section 234C Interest: A Precise Calculation

Section 234C charges 1% simple interest per month (or part thereof) on the shortfall at each quarterly deadline. The calculation compares what was due by each date against what was actually paid by that date.

Quarterly shortfall thresholds:

Deadline	Cumulative % Required	Shortfall basis
June 15	15%	15% of total liability
September 15	45%	45% of total liability
December 15	75%	75% of total liability
March 15	100%	100% of total liability

Working example:

Total tax liability for FY 2025-26: ₹3,00,000.

Kavita paid:

June: ₹0 (paid nothing)
September: ₹1,20,000 (cumulative)
December: ₹2,10,000 (cumulative)
March: ₹3,00,000 (cumulative)

Section 234C calculation:

June deadline: Required 15% = ₹45,000. Paid ₹0. Shortfall: ₹45,000. Interest: 1% × ₹45,000 × 3 months = ₹1,350

September deadline: Required 45% = ₹1,35,000. Paid ₹1,20,000. Shortfall: ₹15,000. Interest: 1% × ₹15,000 × 3 months = ₹450

December deadline: Required 75% = ₹2,25,000. Paid ₹2,10,000. Shortfall: ₹15,000. Interest: 1% × ₹15,000 × 3 months = ₹450

March deadline: Required 100% = ₹3,00,000. Paid ₹3,00,000. No shortfall.

Total Section 234C interest: ₹1,350 + ₹450 + ₹450 = ₹2,250

This is relatively small because she caught up quickly. Had she paid nothing until March 15, the interest would be substantially higher.

Salaried Employees: When Advance Tax Becomes Relevant

Most salaried employees never pay advance tax because employer TDS covers their entire liability. But several situations create advance tax obligations:

Scenario 1: Rental income A salaried employee earns ₹15L salary (fully covered by TDS) but also receives ₹3L annual rent from a property. After 30% standard deduction on rental income: ₹2,10,000 net rental income. Tax at 30% = ₹63,000. If this is above ₹10,000 (it is), advance tax is required on the ₹63,000.

Scenario 2: Large capital gains You sold equity shares in July 2025 for a gain of ₹5,00,000. This is an in-year event not covered by employer TDS. Tax on ₹3,75,000 taxable LTCG (₹5L − ₹1.25L exemption) = ₹46,875. This triggers advance tax for September and December instalments.

For capital gains arising before March 15: they should have been included in advance tax calculations. For capital gains arising between March 16 and March 31 (last 15 days): payable by March 31 without Section 234C interest — a specific relaxation.

Scenario 3: Freelance income alongside salary Priya earns ₹18L salary (TDS covered) and ₹4L from freelance consulting (clients deduct 10% TDS = ₹40,000). Her total tax on ₹4L freelance income at 30% = ₹1,20,000. After TDS credit of ₹40,000: net tax on freelance = ₹80,000. This exceeds ₹10,000, so advance tax is required.

Advance Tax for New Regime Taxpayers

The advance tax calculation mechanics are the same under both old and new regimes — the difference is only in which deductions you apply when estimating your annual tax liability.

New regime advance tax estimate:

Gross income from all sources
Less: ₹75,000 standard deduction (salaried)
Less: 80CCD(2) employer NPS if applicable
Apply new regime slabs
Less TDS already deducted/expected
If balance exceeds ₹10,000: advance tax required

Old regime advance tax estimate:

Same gross income
Less standard deduction ₹50,000
Less HRA exemption
Less all Chapter VI-A deductions (80C, 80D, 24(b), etc.)
Apply old regime slabs
Less TDS
If balance exceeds ₹10,000: advance tax required

The quarterly payment amounts are the same percentage thresholds regardless of regime.

When TDS from Multiple Sources Reduces Advance Tax

Advance tax liability is net of all TDS that has been or will be deducted in the year. This is important for those with multiple TDS sources:

Employer TDS (monthly, from salary)
Bank TDS on FD interest (if FD interest > ₹40,000/year from a single bank)
Client TDS on consulting fees (10% under Section 194J)
Tenant TDS on rent received (if company/HUF tenant pays rent above ₹50,000/month)

All of these count. If a consultant's clients consistently deduct 10% TDS and that equals 90%+ of their total annual tax, there may be no advance tax obligation despite having self-employed income.

Calculation check:

Total estimated annual tax: ₹2,00,000 Expected TDS from all sources: ₹1,85,000 Advance tax payable: ₹2,00,000 − ₹1,85,000 = ₹15,000 (above ₹10,000 threshold → advance tax required)

In this case, advance tax of ₹15,000 should be split across instalments:

June: 15% = ₹2,250
September: 45% cumulative = ₹6,750
December: 75% cumulative = ₹11,250
March: 100% = ₹15,000

Tax on Capital Gains and Advance Tax Timing

The most common advance tax failure for investors: a large equity redemption or property sale in July creates a substantial capital gains tax liability. The taxpayer doesn't pay advance tax in September or December, and pays only at ITR filing in July of the following year.

Result: Section 234C interest for September (3 months × 1% × shortfall) and December (3 months × 1%) and Section 234B (April to July payment date × 1% × shortfall).

For a ₹1 lakh capital gains tax liability:

234C for September: ₹3,000
234C for December: ₹3,000
234B: ₹4,000 (April–July = 4 months)
Total interest: ₹10,000

10% of the tax in interest penalties — not catastrophic but entirely avoidable. The discipline is simple: when you realise a large gain in Q1 or Q2, note the approximate tax and pay advance tax in the next quarterly instalment.

This article is for educational purposes only. Tax rules, penalty rates, and due dates change each year. Verify current requirements at incometax.gov.in or consult a qualified chartered accountant for advice specific to your situation.