×

Guide on Section 190 of Income tax Act - Determination of tax where total income includes income on which no tax is payable

6
Last Updated: 01-04-2026

190.1 Deduction of Income tax on Non Taxable Income

Section 190

Where any income on which no income-tax is payable under the provisions of this Act

is included in the total income of an assessee,

assessee shall be entitled to a deduction of income-tax calculated at the average rate of income-tax on such non taxable income

from gross income-tax with is payable on his total income,.

 

Non taxable Income = income on which no income-tax is payable under the provisions of this Act

 

190.1.1 Steps for calculation of deduction of tax on non taxable income

Step 1: Calculate Gross Tax Payable: Determine the tax on the entire total income (including the non-taxable part).

Step 2: Determine average rate of tax

Average Rate of Tax = Total Income Tax Payable on Total Income/Total Income

Step 3: Compute deduction u/s 190

Deduction Amount = Non-taxable Income*Average Rate of Tax

 

190.1.2 Practical Illustration

Taxable Business Income: ₹16,00,000

Income on which no tax is payable (but included in Total Income calculation): ₹4,00,000

Total Income: ₹20,00,000

Assumed Tax on Total Income of ₹20 Lakhs (for ease of calculation, including cess/slabs): ₹3,00,000

Step-by-Step Computation:

Step

Particulars

Amount (₹)

Step 1

Total Income (₹16L taxable + ₹4L non-taxable)

₹20,00,000

Step 2

Calculate Income Tax on Total Income

₹3,00,000

Step 3

Calculate Average Rate of Tax = ₹3,00,000/₹20,00,000

15%

Step 4

Deduction u/s 190 = ₹4,00,000*15%

(₹60,000)

Step 5

Net Tax Payable by the Assessee

₹2,40,000