Understanding the Two Tax Regimes in India
India's income tax system offers taxpayers a choice between two regimes for Tax Year 2026-27 under the Income Tax Act, 2025. The New Tax Regime—the default framework—features wider tax slabs, lower rates, a ₹75,000 standard deduction for salaried individuals, and a full Section 87A rebate for taxable income up to ₹12 Lakh (meaning salaried earners with gross pay up to ₹12.75 Lakh pay zero tax). The Old Tax Regime maintains traditional tax slabs but allows itemized deductions and exemptions under Section 80C, Section 80D, HRA under Section 10(13A), and home loan interest under Section 24(b). (For taxpayers filing historical returns for FY 2025-26 assessed in AY 2026-27 under the earlier 1961 Act, prior-year slab limits apply).
New Tax Regime Slabs (Tax Year 2026-27)
| Income Slab | Tax Rate |
|---|---|
| ₹0 - ₹4,00,000 | Nil (0%) |
| ₹4,00,001 - ₹8,00,000 | 5% |
| ₹8,00,001 - ₹12,00,000 | 10% |
| ₹12,00,001 - ₹16,00,000 | 15% |
| ₹16,00,001 - ₹20,00,000 | 20% |
| ₹20,00,001 - ₹24,00,000 | 25% |
| Above ₹24,00,000 | 30% |
• Salaried Standard Deduction: ₹75,000 automatically deducted from gross salary.
• Section 87A Tax Rebate: Up to ₹60,000 full rebate for taxable income ≤ ₹12,00,000 (net tax payable is ₹0).
• Marginal Relief: Built-in relief ensures tax payable does not exceed excess income earned over ₹12 Lakh.
• Health & Education Cess: 4% applies to net tax liability.
Old Tax Regime: Tax Slabs and Deductions
The old tax regime maintains the traditional slab structure with tax rates of 0% up to ₹2.5 lakh, 5% for ₹2.5-5 lakh, 20% for ₹5-10 lakh, and 30% above ₹10 lakh. The key advantage is access to numerous deductions that can significantly reduce taxable income.
Major Deductions Available in Old Regime
- Standard Deduction: ₹50,000 for salaried employees.
- Section 80C: Up to ₹1.5 lakh for EPF, PPF, life insurance, ELSS mutual funds, tuition fees, and home loan principal repayment.
- Section 80D: Up to ₹25,000 for health insurance (₹50,000 for senior citizen parents).
- HRA Exemption: Available under Section 10(13A). Calculate your exact exemption using the BharatBills HRA Calculator and create compliant proofs with our Rent Receipt Generator.
- Section 24(b): Up to ₹2 lakh for interest on a self-occupied home loan.
- Section 80CCD(1B): Additional ₹50,000 voluntary contribution to NPS.
- Section 87A Rebate (Old Regime): Up to ₹12,500 full rebate for taxable income ≤ ₹5,00,000.
Comparison Examples: Who Saves More?
Case Study 1: Salaried Annual Gross ₹10,00,000
A mid-level salaried employee earning ₹10,00,000 gross annual salary with ₹2,00,000 eligible itemized deductions (₹1.5L 80C + ₹25k 80D + ₹25k HRA).
Scenario A: New Tax Regime (Tax Year 2026-27)
Gross Salary: ₹10,00,000 | Standard Deduction: ₹75,000 | Taxable Income: ₹9,25,000
Slab Tax: ₹20,000 (4L–8L @ 5%) + ₹12,500 (8L–9.25L @ 10%) = ₹32,500
Section 87A Rebate: −₹32,500 (100% rebate on taxable income ≤ ₹12,00,000)
Net Tax Payable: ₹0
Scenario B: Old Tax Regime
Gross Salary: ₹10,00,000 | Standard Deduction: ₹50,000 | Deductions: ₹2,00,000
Total Deductions: ₹2,50,000 | Net Taxable Income: ₹7,50,000
Slab Tax: ₹12,500 (2.5L–5L @ 5%) + ₹50,000 (5L–7.5L @ 20%) = ₹62,500
Health & Education Cess (4%): +₹2,500
Net Tax Payable: ₹65,000
✓ Result: New Regime saves ₹65,000. For salaried taxpayers earning up to ₹12.75 Lakh gross CTC, the New Regime universally wins because tax outgo is exactly zero.
Case Study 2: Salaried Annual Gross ₹15,00,000 (The Decision Dilemma)
A professional earning ₹15,00,000 gross annual salary with substantial deductions of ₹3,50,000 (₹1.5L 80C + ₹25k 80D + ₹1.75L home loan interest u/s 24(b)).
Scenario A: New Tax Regime (Tax Year 2026-27)
Gross Salary: ₹15,00,000 | Standard Deduction: ₹75,000 | Taxable Income: ₹14,25,000
Slab Tax: ₹20,000 (4L–8L) + ₹40,000 (8L–12L) + ₹33,750 (12L–14.25L @ 15%) = ₹93,750
Health & Education Cess (4%): +₹3,750
Net Tax Payable: ₹97,500
Scenario B: Old Tax Regime (With ₹3.50L Deductions)
Gross Salary: ₹15,00,000 | Standard Deduction: ₹50,000 | Deductions: ₹3,50,000
Total Deductions: ₹4,00,000 | Net Taxable Income: ₹11,00,000
Slab Tax: ₹12,500 (2.5L–5L) + ₹1,00,000 (5L–10L) + ₹30,000 (10L–11L @ 30%) = ₹1,42,500
Health & Education Cess (4%): +₹5,700
Net Tax Payable: ₹148,200
✓ Result: Even with ₹3,50,000 in itemized deductions, the New Regime saves ₹50,700!
Break-Even Deduction Threshold: To beat the New Regime's ₹97,500 tax at ₹15 Lakh gross salary, the employee would need total Old Regime deductions exceeding ₹5,93,750 (requiring over ₹5,43,750 in itemized deductions on top of the ₹50,000 standard deduction).
Decision Framework: Which Regime to Choose?
Choose New Regime If:
- ✓ Your gross salaried salary is up to ₹12.75 Lakh (you pay ₹0 tax).
- ✓ You do not pay high rent or a heavy home loan EMI.
- ✓ Your total Old Regime itemized deductions are below your income bracket's break-even threshold.
- ✓ You prefer liquidity and do not wish to lock funds into 5-year tax-saving instruments.
Choose Old Regime If:
- ✓ You pay high rent in a metro city eligible for large Section 10(13A) HRA exemptions.
- ✓ You have an active home loan with up to ₹2 Lakh interest deduction u/s 24(b).
- ✓ You max out Section 80C (₹1.5L), Section 80D (₹25k-₹50k), and Section 80CCD(1B) NPS (₹50k).
- ✓ Your aggregate itemized deductions surpass the break-even threshold for your gross income.
How to Switch Between Regimes
Salaried employees can choose their preferred regime each financial year by submitting their declaration to their employer's payroll team at the start of the year. Business owners and professionals who have opted into the Old Regime must file Form 10-IEA to switch regimes. Before deciding, verify your exact tax liability under both systems using the BharatBills Income Tax Calculator and check all related tools on our Tax Calculators hub.
Tax Planning Tips for Tax Year 2026-27
- Calculate both scenarios mathematically: Run your exact income through the tax calculator rather than relying on rough estimates.
- Factor in Employer NPS (Section 80CCD(2)): Contributions by your employer up to 14% (Central Govt) or 10% (other employers) of salary are deductible under the New Regime as well as the Old Regime.
- Review your CTC breakdown: Understand how your Basic, HRA, and Special Allowance affect take-home pay using our Salary Calculator.
- Maintain proper documentation: If choosing the Old Regime, retain rent agreements, landlord PAN details, and medical premium receipts for tax filing.
Pro Tip: Use the BharatBills Income Tax Calculator to run side-by-side comparisons of both regimes with your exact income and deduction numbers. You can also compute your exact monthly in-hand salary using the BharatBills Salary Calculator.
Common Mistakes to Avoid
Many taxpayers choose the new regime assuming it's always beneficial without calculating their specific situation. Others forget that choosing the old regime requires active investment in tax-saving instruments before the end of the tax year. Don't wait until the last minute to make your choice—plan your taxes early to optimize savings and avoid rushed financial decisions.
Conclusion
The choice between the New and Old tax regimes is an individualized mathematical decision. For taxpayers with gross salaried income up to ₹12.75 Lakh, the New Tax Regime is an obvious choice because the Section 87A rebate completely eliminates tax liability. For higher earners with large home loan interest, high metro rent, and full 80C/80D investments, the Old Regime may still provide tax advantages if total deductions exceed the break-even threshold. Calculate, compare, and make an informed decision for Tax Year 2026-27.
Put the principles from this guide into practice with our free calculators:
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