Under Indian income-tax law, under-reporting is the statutory threshold for a penalty, while misreporting is a defined subset that can trigger a higher rate. Under section 270A of the Income-tax Act, 1961, the general penalty is 50% of the tax payable on under-reported income; if that under-reporting results from misreporting, the rate is 200%. Both percentages apply to the tax payable on the under-reported income—not to the income amount itself. The applicable provision may instead be section 439 of the Income-tax Act, 2025, which came into force on 1 April 2026. The tax year and transition rules determine which Act applies.
Under-reporting and misreporting are not the same
Under-reporting asks whether income meets a statutory comparison or other test that brings it within the penalty rules. Misreporting asks whether that under-reporting arose from one of the specific categories listed in the applicable Act. A difference found in assessment is not, by itself, enough to describe the conduct as misreporting.
For cases governed by the 1961 Act, the relevant rule is section 270A. The Income-tax Department’s section 270A text sets out both the threshold cases and the higher-penalty categories. For cases governed by the 2025 Act, consult section 439 and the applicable amendments; its list must not be assumed to be identical to section 270A.
How the penalty rates differ
| Situation under the 1961 Act | Penalty rate | What the rate applies to |
|---|---|---|
| Under-reported income, without the specified misreporting basis | 50% | Tax payable on the under-reported income |
| Under-reported income resulting from misreporting | 200% | Tax payable on the under-reported income |
These rates are stated in section 270A of the Income-tax Act, 1961 and in the Income-tax Department’s guidance on penalties under income-tax law. They are not 50% or 200% of the income alleged to be under-reported. The law also has specific rules for calculating the amount of under-reported income, so the penalty base is not necessarily the gross difference between figures shown in a return and assessment.
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When income may count as under-reported
Section 270A(2) of the 1961 Act identifies several situations. These include an assessment determining income above the amount determined in a return processed under section 143(1)(a), certain cases where no return was filed and assessed income exceeds the maximum amount not chargeable to tax, increases in reassessment, specified comparisons involving deemed income, and an assessment that reduces a declared loss or turns a loss into income.
Which comparison applies depends on the circumstances, including whether a return was filed, whether the matter is a reassessment, and whether the assessment concerns a loss. The section’s calculation provisions govern the amount treated as under-reported; a simple subtraction may not produce the statutory figure.
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What can make under-reporting misreporting
For section 270A of the 1961 Act, section 270A(9) lists six categories. An amount may fall within a listed category where the under-reporting results from:
- Misrepresentation or suppression of facts.
- Failure to record an investment in the books of account.
- An expenditure claim that is not supported by evidence.
- A false entry in the books of account.
- Failure to record a receipt that affects total income.
- Failure to report specified international or domestic transactions governed by Chapter X.
Whether particular conduct fits a category depends on the facts and the governing provision. The fact that an assessing authority has made an addition or adjustment does not, without more, establish that the higher misreporting rate applies.
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Section 270A(6) excludes specified amounts from under-reported income in defined circumstances. One example is where the taxpayer offers an explanation, the authority is satisfied that it is bona fide, and all material facts necessary to substantiate it have been disclosed. The section also addresses specified estimates, certain transfer-pricing adjustments where documentation and disclosure conditions are met, and undisclosed income dealt with under another provision.
An explanation does not automatically prevent a penalty: the statutory conditions must be met, and the authority’s satisfaction is relevant. The applicable exclusions and calculations should be considered alongside the threshold and any alleged misreporting category.
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Which Act applies after 1 April 2026?
The Income-tax Act, 2025 came into force on 1 April 2026. Its successor penalty provision is section 439, as set out in the Income-tax Department’s 2025 Act text amended by the Finance Act 2026. Section 439 provides a 200% rate for misreporting, and the 2026 amendments add a listed category; therefore, section 270A’s six categories should not be treated as the exhaustive list for every case under the 2025 Act.
Do not select the provision solely by looking at the date a notice arrived. Identify the relevant tax year and check the Act’s commencement, amendments and transition provisions for the particular matter. The department’s 2025 Act portal states the commencement date and provides the official text.
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What to check if you receive a penalty notice
- Identify the governing Act and year. Check the tax year and transition provisions to determine whether section 270A of the 1961 Act or section 439 of the 2025 Act applies.
- Find the under-reporting calculation. Read how the authority arrived at the amount under the statutory comparison and calculation rules, including any treatment of a loss or reassessment.
- Check the stated misreporting basis. If the higher rate is proposed, identify the specific statutory category relied on and the facts said to support it.
- Review exclusions and supporting material. Consider whether a statutory exclusion may apply and whether the relevant explanation, evidence, books, disclosures or transaction documentation were provided.
The penalty exposure cannot be determined from the percentage alone. It depends on the applicable Act, the statutory calculation, the alleged facts and any relevant exclusions. For a return, assessment or notice that requires case-specific application, an India-focused chartered accountant or tax adviser can review the documents against the applicable provision.
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