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Advance Tax Payment Under ITA 2025: Calculation, Due Dates and Interest on Default

Comprehensive guide to advance tax under ITA 2025. Covers who must pay, four instalment due dates, computation method, and interest under Sections 234B and 234C for default.

TaxClue Team Tax & Compliance Expert
4 min read 73 views Updated Aug 23, 2026
Expert Reviewed High Complexity
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Last updated: August 2026Applies to: FY 2026-27Verified against: Government sources
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Comprehensive guide to advance tax under ITA 2025. Covers who must pay, four instalment due dates, computation method, and interest under Sections 234B and 234C for default.

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Advance tax is income tax paid in instalments during the Tax Year rather than as a lump sum at year-end. Under ITA 2025, any taxpayer whose estimated tax liability for the Tax Year exceeds Rs. 10,000 (after TDS credit) must pay advance tax. This prevents large end-of-year tax payments and associated interest.

Who Must Pay Advance Tax?

  • Individuals, HUFs, firms, LLPs, companies with estimated tax liability > Rs. 10,000
  • Resident senior citizens (60+) are exempt from advance tax if they have no income from business/profession
  • Presumptive taxation (44AD/44ADA) taxpayers: single instalment by 15 March

Advance Tax Instalment Schedule

InstalmentDue DateCumulative % of Tax Payable
1st Instalment15 JuneAt least 15%
2nd Instalment15 SeptemberAt least 45%
3rd Instalment15 DecemberAt least 75%
4th Instalment15 March100%

Computation of Advance Tax

  1. Estimate total income for the Tax Year
  2. Compute tax at applicable rates (including surcharge + cess)
  3. Deduct expected TDS for the year
  4. = Net advance tax liability
  5. Pay as per instalment schedule above

Interest for Short Payment / Default

Section 234B — Non/Short Payment of Advance Tax

If advance tax paid by 31 March is less than 90% of assessed tax, interest @ 1% per month applies on the shortfall from 1 April to date of actual payment. Calculated on rounded amount.

Section 234C — Deferment of Instalments

If any specific instalment is short-paid:

  • For 15 June shortfall: 1% per month for 3 months on 15% of tax
  • For 15 September shortfall: 1% per month for 3 months
  • For 15 December shortfall: 1% per month for 3 months
  • For 15 March shortfall: 1% per month for 1 month

Challan for Advance Tax

Advance tax is paid via ITNS 280 challan, selecting the appropriate tax year and code (100 = advance tax). Payment can be made online through the Income Tax e-filing portal or bank branches.

Advance Tax for Capital Gains and Windfalls

Capital gains arising after 15 December are required to be paid as a single instalment with the 15 March instalment — no penalty for treating them as single-instalment. VDA income, lottery income, and unexpected gains should be included in the remaining instalment.

Self-Assessment Tax

If any tax remains unpaid after 31 March (after advance tax and TDS), it becomes self-assessment tax, payable before filing ITR. Interest under 234A (late filing) and 234B applies.

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Key Facts About Advance Tax Payment Under

  • Applies in: All states across India, under the relevant central law.
  • Mode: Mostly online via the official government portal.
  • Typical timeline: Ranges from a few days to a few weeks depending on the case.
  • Non-compliance: May attract penalties, interest or late fees.
  • Expert help: TaxClue completes the entire process end to end for you.

Who is exempt from advance tax under ITA 2025?

Resident senior citizens (60 years+) with no business/profession income are fully exempt from advance tax obligations.

What is the advance tax due date schedule?

15 June (15%), 15 September (45%), 15 December (75%), 15 March (100%) of estimated tax liability.

Over 90% of compliance penalties in India arise from missed due dates — timely handling can save businesses thousands of rupees each year.

— TaxClue Compliance Desk

Advance Tax Payment Under: a key compliance topic in Indian tax and corporate law that businesses and individuals must understand to remain compliant.

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Why This Matters

Staying compliant with Indian regulations protects your business from penalties, interest and unnecessary legal trouble. It is always wise to maintain proper records and documentation so that any future scrutiny can be handled smoothly. Rules and thresholds in income tax are revised periodically, so it helps to review your obligations at the start of each financial year. Professional guidance from a qualified CA, CS or advocate ensures that filings are accurate and submitted well before the due date.

Small businesses and startups especially benefit from setting up a simple compliance calendar to track recurring deadlines. Government portals now allow most applications and filings to be completed online, reducing paperwork and turnaround time. Keeping your PAN, registration certificates and board resolutions organised makes every subsequent filing faster. When in doubt, it is better to seek clarification early rather than risk a notice or a late-filing penalty later.

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Our CA experts guide you through the entire process — registration to filing.

Frequently Asked Questions
Who is exempt from advance tax under ITA 2025?
Resident senior citizens (60 years+) with no business/profession income are fully exempt from advance tax obligations.
What is the advance tax due date schedule?
15 June (15%), 15 September (45%), 15 December (75%), 15 March (100%) of estimated tax liability.
What interest is charged for not paying advance tax?
Section 234B: 1% per month on shortfall (if advance tax paid is less than 90% of assessed tax). Section 234C: 1% per month for each deferment.
Can advance tax be paid in a single instalment?
Only for presumptive taxation (44AD/44ADA) taxpayers, who pay the full advance tax by 15 March.
What challan is used for advance tax payment?
ITNS 280 challan with code 100 (Advance Tax). Available for online payment through the income tax e-filing portal.
What if capital gains arise after 15 December?
Capital gains arising after 15 December can be paid in the 15 March instalment without attracting Section 234C interest.
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Disclaimer: This article is for general informational purposes only and does not constitute professional tax, legal or financial advice. Laws, rates and due dates change and can vary by individual case — always verify with the relevant government source (e.g. mca.gov.in, incometax.gov.in) or consult a qualified professional before acting. TaxClue accepts no liability for decisions taken based on this content.

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