Income Tax Liability in India – Know Your Tax Obligations

Understand income tax liability in India, including tax rates, exemptions, and key deductions. Plan better and optimise your tax payments effectively.
Home Loan
2 min
31 January 2025
Income tax liability is the total tax an individual or business must pay to the government based on their earnings. Understanding how this liability is calculated is essential for effective financial planning. By knowing the factors influencing taxable income and available deductions, taxpayers can optimise their finances and reduce tax burdens.

This article will explain the key components of income tax liability in India, how taxable income is determined, the impact of deductions and exemptions, and how tax slabs influence tax payments.

Components of income tax liability

Income tax liability comprises multiple factors that contribute to the final tax amount payable. These include:

  • Income sources: Income from salary, business, capital gains, house property, and other sources determines the tax payable.
  • Deductions and exemptions: Section 80C deductions, house rent allowance (HRA), and other exemptions reduce taxable income.
  • Applicable tax rates: Progressive tax slabs determine the final tax rate applicable to an individual.
  • Surcharges and cess: High-income earners must pay additional surcharges, along with health and education cess.

Taxable income: What it is and how it is calculated

Taxable income is the portion of earnings subject to tax after deductions. The formula to calculate taxable income is:

Taxable Income = Total gross income - Deductions

Gross income includes salary, business income, capital gains, rental income, and interest from savings. Deductions, such as contributions to provident funds, medical insurance, and home loan interest, help reduce taxable income.

Tax deductions and exemptions: Reducing your taxable income

Tax deductions and exemptions lower tax liability. Key deductions under the Income Tax Act include:

  • Section 80C: Up to Rs. 1.5 lakh for investments in PPF, EPF, and life insurance.
  • Section 80D: Health insurance premiums deductible up to Rs. 25,000 (Rs. 50,000 for senior citizens).
  • Section 24(b): Home loan interest deduction up to Rs. 2 lakh annually.
Exemptions apply to specific allowances like HRA and leave travel allowance (LTA), further reducing tax liability.

Tax credits: Direct reduction of tax liability

Unlike deductions, tax credits directly reduce tax liability. For example:

  • Foreign tax credit: Offsets tax paid abroad against Indian tax liability.
  • Rebate under Section 87A: Individuals earning up to Rs. 5 lakh receive a rebate up to Rs. 12,500, reducing their tax to zero.

Tax slabs and rates

In India, individuals are taxed based on income slabs, which vary between the old and new tax regimes.

New tax regime

Income slabsTax rate
Up to Rs. 3,00,000Nil
Rs. 3,00,001 to Rs. 7,00,0005%
Rs. 7,00,001 to Rs. 10,00,00010%
Rs. 10,00,001 to Rs. 12,00,00015%
Rs. 12,00,001 to Rs. 15,00,00020%
Above Rs. 15,00,00030%


Old tax regime

Total income Individuals below 60 yearsIndividuals aged below 60 years to 80 yearsIndividuals above 80 years
Up to Rs. 2,50,000NilNilNil
Rs. 2,50,001 to Rs. 3,00,0005%NilNil
Rs. 3,00,001 to Rs. 5,00,0005%5%Nil
Rs. 5,00,001 to Rs. 10,00,00020%20%20%
Above Rs. 10,00,00030%30%30%


How to calculate your income tax liability

To compute income tax liability, follow these steps:

  • Determine total gross income: Add income from salary, business, property, and investments.
  • Apply deductions: Subtract eligible deductions such as 80C, 80D, and 24(b).
  • Determine taxable income: The resulting amount after deductions is taxable income.
  • Apply tax slabs: Calculate tax based on the applicable slab rates.
  • Add surcharges and cess: Include applicable surcharges and 4% health and education cess.
  • Subtract tax credits: Apply eligible rebates or credits.

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Frequently asked questions

What is income tax liability?
Income tax liability refers to the total amount of tax an individual or business must pay to the government based on their income. This includes taxes on salaries, profits, and other earnings. In India, taxpayers are required to calculate and report their income annually, settling any dues accordingly.

How is taxable income calculated?
Taxable income is determined by subtracting allowable deductions from gross income. In India, gross income includes salaries, rental income, and capital gains. After accounting for exemptions and deductions, such as investments or expenses, the remaining amount is considered taxable and is subject to applicable tax rates.

What are tax deductions and exemptions?
Tax deductions reduce the amount of income subject to tax, while exemptions exclude certain types of income from taxation altogether. In India, common deductions include contributions to retirement funds and medical expenses. Exemptions might apply to specific allowances or incomes below a certain threshold, lowering overall tax liability.

How do tax credits differ from deductions?
Tax credits directly reduce the amount of tax owed, while deductions lower taxable income before calculating the tax due. For example, if a taxpayer owes Rs. 10,000 in taxes and has a credit of Rs. 2,000, they only pay Rs. 8,000. In contrast, a deduction lowers the taxable income but does not directly reduce the tax owed.

What are the current income tax slabs and rates?
As of 2025, India has multiple income tax slabs based on annual earnings. For individuals under 60 years old, rates range from 0% for incomes up to Rs. 2.5 lakh to 30% for incomes exceeding Rs. 15 lakh. Different slabs apply for senior citizens and special categories, ensuring a progressive taxation system tailored to various income levels.

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