Pay reduced tax at 39% rate on unexplained income compared to 78% earlier, with close eye on penalty, Budget 2026 announcement?

According to the Income Tax Act, 1961 (Old Act), the Income Tax Act, 2025 (New Act), and the Finance Bill 2026, there is a significant cut in the tax rate for unexplained income and investments. The Finance Bill 2026 proposes to rationalise the tax rate on such income under the new Act to 30%, down from the 60% prevalent under the Old Act and the unamended New Act.

Comparative Table: Tax on Unexplained Income

Component	Old Rate (Income Tax Act, 1961)	New Rate (Income Tax Act, 2025) (as amended by Finance Bill, 2026)
Nature of income	Unexplained cash credit, investments, money, expenditure (Section 68-69D)	Unexplained credits, investments, assets, expenditure, hundi (Section 102-106)
Base tax rate	60%	30%
Surcharge	25% of tax	25% of tax
Health and Education Cess	4% of (Tax+surcharge)	4% of (Tax+surcharge)
Effective tax rate	78%	39%

The effective tax burden on unexplained income (excluding penalty) drops significantly from 78% under the old law to 39% under the new law. However, the penalty mechanism has shifted from a flat 10% surcharge-like penalty to a stricter misreporting penalty (200%), unless settled via the additional income tax route (120%).

Key provisions and changes

1. Income Tax Act, 1961 - Section 115BBE)

● Taxability: Income determined by the Assessing Officer under sections 68 to 69D (unexplained credits/investments) is taxed at a flat rate of 60%.
● No Deductions: No deduction for any expenditure or allowance is allowed against such income.
● Penalty: A penalty of 10% of the tax payable is leviable under Section 271AAC.

2. Income Tax Act, 2025 - Section 195)

• Rate Reduction: the Finance Bill 2026 proposes to amend Section 195 to reduce the tax rate to 30%,.
• Calculation:

○ Base Tax: 30%
○ Surcharge (25% of 30%): 7.5%
○ Cess (4% of 37.5%): 1.5%
○ Total: 39%

• Penalty Rationalisation:

○ Omission of Section 443: The specific penalty of 10% of tax payable on such income (Section 443) is proposed to be omitted.
○ Subsumed in Misreporting: The penalty for such income will now be subsumed under Section 439(11) as "under-reporting in consequence of misreporting," which generally attracts a penalty of 200% of the tax payable.

● Immunity/Settlement:
○ If the taxpayer su-moto declares this income in the ITR, no penalty shall be levied.
○ If the income is determined by the Assessing Officer, the taxpayer can seek immunity/settlement by paying an additional income tax of 120% of the tax payable (instead of the 200% penalty)