Advance Tax for Self-Employed: Instalments, Threshold and Interest
Self-employed taxpayers generally pay advance tax when estimated tax after TDS/TCS is ₹10,000 or more.
For broader context, see the Income Tax and Salary Hub.
Normal instalments are 15%, 45%, 75% and 100% by 15 June, 15 September, 15 December and 15 March; eligible presumptive taxpayers pay 100% by 15 March.
Reviewed: 2026-08-05 by CA Nikhil Gupta.
Legal or Computational Framework
Governing rule
Interest can arise for shortfall or deferment. Income arising unexpectedly, such as capital gain, requires payment in the remaining instalments to use the statutory protection.
Use the Advance Tax Interest Calculator — 234B and 234C to apply these points to your figures or facts.
Correct calculation method
Forecast annual profit and other income; calculate tax and credits; schedule instalments; revise estimates; pay through correct challan and assessment year/tax year.
Step-by-step workflow
- Forecast annual profit and other income.
- calculate tax and credits.
- schedule instalments.
- revise estimates.
- pay through correct challan and assessment year/tax year.
Worked example
Estimated net tax ₹4 lakh requires cumulative payments ₹60,000, ₹1.8 lakh, ₹3 lakh and ₹4 lakh by the four dates.
The example is an illustration, not a substitute for the taxpayer's facts. A change in status, period, payment mode, document, city, asset, relationship or scheme can change the result.
Why generic pages get this wrong
Search pages often state a rate or limit without identifying the governing base. The calculation must distinguish gross receipt from taxable profit, tax from TDS, a deduction from an exemption, salary from business income, and an accounting entry from the tax treatment.
Decision matrix
| Decision point | Required treatment |
|---|---|
| Legal year | Use the Act, rules and notification effective for the income or transaction period |
| Taxpayer category | Confirm residence, age, entity, employee/business status and regime |
| Calculation base | Use the statutory definition rather than CTC, net bank receipt or accounting label |
| Ceiling or rate | Apply actual-amount, percentage, shared, lifetime and gross-income limits in sequence |
| Documentation | Link every input to an invoice, statement, contract, certificate or official record |
| Final output | Show tax, surcharge, cess, interest and TDS/TCS credits separately |
Entity and topical coverage
This page is written around the entities and concepts search engines expect for the topic: advance tax, self-assessment tax, interest, challan, TDS. They are used only where relevant and are connected to the live calculator and knowledge hub rather than repeated mechanically.
What Generic Pages Miss
- Using wrong year/challan type.
- Subtracting unreflected TDS.
- Ignoring instalment interest.
- Paying only at filing.
- Not revising estimates.
For the connected rule, example or next step, see Advance Tax and Interest: Dates, ₹10,000 Threshold and Calculation.
Practical Documentation Checklist
- Tax forecast
- TDS/TCS credits
- Advance-tax challans
- Interest calculation
- Self-assessment challan
- Return reconciliation
For the complete rules on this topic, see the core guide: Business Income Tax Calculator India 2026: Profit-to-Tax Workflow.
See the broader Income-tax Act 2025 study guide hub for related rules and calculators on this topic.
Finin2min Summary
Self-employed taxpayers generally pay advance tax when estimated tax after TDS/TCS is ₹10,000 or more. Normal instalments are 15%, 45%, 75% and 100% by 15 June, 15 September, 15 December and 15 March; eligible presumptive taxpayers pay 100% by 15 March.
Finin2min rule: establish eligibility, calculate transparently, and preserve an audit trail.
Frequently Asked Questions
Source and review trail
Use the current official instrument, portal or regulator publication before acting. This panel separates the category authority from page-specific references.
- Primary category
- Income Tax
- Official starting point
- www.incometax.gov.in
Page source links
- Income Tax Department — Advance tax: liability, conditions and computation (Sections 404–405)
- Income Tax Department — Section 424, interest for default in advance tax
- Income Tax Department — Section 425, interest for deferment of advance tax instalments
- Income Tax Department — Official FAQs on Advance Tax
- Income Tax Department — Income Tax Returns FAQs under the 2025 Act
- Income-tax Act, 2025 and Income-tax Rules, 2026 official hub
- Income Tax e-Filing portal
- CBDT circulars
- Income-tax Department official provisions and transition guidance
For the connected rule, example or next step, see Late Capital Gain in March: Advance Tax, Interest and ITR Deadline.
Primary sources & related provisions
Statutory provisions referenced in this guide: