Old vs New Tax Regime: Which Option Saves More Tax on ₹20 Lakh, ₹25 Lakh and ₹30 Lakh Annual Income?

Old Tax Regime vs New Tax Regime: Choosing between the old and new tax regimes has become one of the most important financial decisions for salaried taxpayers. While the old regime offers several deductions and exemptions, the new regime provides lower tax rates and a simplified filing process. For individuals earning ₹20 lakh, ₹25 lakh, or ₹30 lakh annually, understanding which option leads to greater tax savings is crucial before filing Income Tax Returns for FY 2025-26 (AY 2026-27).

Recent calculations indicate that despite the availability of deductions under the old tax regime, the new tax regime continues to offer lower overall tax liability for many high-income salaried individuals.

Understanding the Difference Between the Two Tax Regimes

Before comparing tax outgo, it is important to understand how both systems work.

Old Tax Regime

The old tax regime allows taxpayers to reduce their taxable income through multiple deductions and exemptions, including:

• Up to ₹1.5 lakh deduction under Section 80C

• Health insurance benefits under Section 80D

• Home loan interest deduction

• House Rent Allowance (HRA) benefits

• Standard deduction of ₹50,000

New Tax Regime

The new tax regime follows a different approach:

• Lower income tax rates

• Standard deduction of ₹75,000

• Most deductions and exemptions are not available

• Limited benefits such as employer contribution to NPS continue

The key advantage is that taxpayers do not need to make investments solely for tax-saving purposes.

Tax Calculation on ₹20 Lakh Annual Income

Consider a salaried employee earning ₹20 lakh annually.

Assume the taxpayer claims:

• ₹1.5 lakh under Section 80C

• ₹30,000 health insurance premium under Section 80D

• ₹3 lakh home loan interest deduction

Under the old tax regime, total deductions amount to approximately ₹3.75 lakh, reducing taxable income to ₹16.25 lakh.

In this case, the estimated tax liability works out to around ₹3.12 lakh.

Under the new tax regime, only the ₹75,000 standard deduction is available, resulting in a taxable income of approximately ₹19.25 lakh.

Despite the higher taxable income, the lower tax slabs reduce the tax burden to nearly ₹1.92 lakh, making the new regime significantly more beneficial.

Which Regime Works Better for ₹25 Lakh Income?

Now consider an individual earning ₹25 lakh annually while claiming similar deductions.

Under the Old Regime

• Gross Income: ₹25 lakh

• Total Deductions: ₹3.75 lakh

• Taxable Income: ₹21.25 lakh

• Estimated Tax Liability: ₹4.68 lakh

Under the New Regime

• Taxable Income: ₹24.25 lakh

• Estimated Tax Liability: ₹3.19 lakh

Even after taking advantage of available deductions, the taxpayer pays substantially less tax under the new regime.

Tax Impact on ₹30 Lakh Annual Income

For higher-income earners, the comparison becomes even more interesting.

Old Tax Regime

Suppose a taxpayer earning ₹30 lakh claims:

• Section 80C benefits

• Section 80D deductions

• Home loan interest benefits

• NPS contribution deductions

• Eligible donations

Total deductions may reach approximately ₹5.5 lakh.

• Gross Income: ₹30 lakh

• Deductions: ₹5.5 lakh

• Taxable Income: ₹24.5 lakh

• Estimated Tax Liability: ₹5.69 lakh

New Tax Regime

• Taxable Income: ₹28.5 lakh

• Estimated Tax Liability: ₹4.52 lakh

Despite losing several deductions, the taxpayer still enjoys lower overall tax liability under the new tax structure.

Why the New Tax Regime Is Gaining Popularity

The government introduced the new tax regime to simplify tax compliance and reduce dependence on tax-saving investments.

For many salaried employees, especially those who do not have substantial deductions through home loans, insurance premiums, or investment schemes, the new regime often results in greater savings.

Additional benefits include:

• Easier tax filing process

• Reduced documentation requirements

• Lower effective tax rates

• Better cash flow due to fewer mandatory tax-saving investments

Who Should Still Consider the Old Tax Regime?

The old tax regime may remain suitable for taxpayers who:

• Pay significant home loan interest

• Invest heavily under Section 80C

• Claim HRA exemptions

• Have multiple eligible deductions and exemptions

Such individuals should compare both regimes carefully before making a final decision.

Final Verdict

For annual incomes of ₹20 lakh, ₹25 lakh, and ₹30 lakh, calculations suggest that the new tax regime generally offers lower tax liability even after considering popular deductions available under the old system. However, the right choice ultimately depends on an individual's investment pattern, housing status, insurance expenses, and overall financial planning strategy.

Taxpayers should evaluate both options using updated tax calculators and consult a qualified tax professional before filing their Income Tax Return for AY 2026-27.

Disclaimer: Tax calculations mentioned above are illustrative and based on assumed deductions. Actual tax liability may vary depending on individual financial circumstances and applicable tax rules.