India Old vs New Tax Regime: FY 2025-26 Budget Slabs, Standard Deduction & Break-Even Mathematics
For Financial Year 2025-26 (Assessment Year 2026-27), the New Tax Regime is the default tax structure in India, featuring an increased ₹75,000 Standard Deduction for salaried taxpayers and revised tax slabs. Deciding whether to stick with the Old Regime (with Section 80C, 80D, HRA, and Home Loan interest deductions) or switch to the New Regime depends on your Deduction Break-Even Point.
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1. New Tax Regime Slabs (FY 2025-26)
Under the New Tax Regime (Section 115BAC), concessional tax rates apply without most exemptions:
| Taxable Income Slab (New Regime) | Income Tax Rate |
|---|---|
| Up to ₹3,00,000 | Nil (0%) |
| ₹3,00,001 to ₹7,00,000 | 5% |
| ₹7,00,001 to ₹10,00,000 | 10% |
| ₹10,00,001 to ₹12,00,000 | 15% |
| ₹12,00,001 to ₹15,00,000 | 20% |
| Above ₹15,00,000 | 30% |
2. Old Tax Regime Slabs & Deductions
The Old Regime retains higher tax rates (20% above ₹5L, 30% above ₹10L), but allows taxpayers to deduct:
- Standard Deduction: ₹50,000
- Section 80C (EPF, PPF, ELSS, Life Insurance): Up to ₹1,50,000
- Section 80D (Health Insurance): Up to ₹25,000 (Self) + ₹50,000 (Senior Citizen Parents)
- Section 24(b) (Home Loan Interest): Up to ₹2,00,000
- Section 80CCD(1B) (NPS Tier-1): Additional ₹50,000
- HRA Exemption (House Rent Allowance): Significant tax shield for renters
3. The Deduction Break-Even Matrix
| Gross CTC Salary | Break-Even Deduction Threshold | Recommendation |
|---|---|---|
| Up to ₹7,75,000 | — | New Regime (₹0 Tax via Sec 87A) |
| ₹10,00,000 | ₹2,62,500 in total deductions | New Regime for most earners |
| ₹15,00,000 | ₹3,75,000 in total deductions | Old Regime if claiming HRA + Home Loan |
| ₹25,00,000+ | ₹4,25,000 in total deductions | New Regime saves money for 85%+ buyers |
4. Section 87A Rebate: Zero Tax Up to ₹7.75 Lakhs
Under the New Tax Regime, resident individuals with taxable income up to ₹7,00,000 receive a full tax rebate under Section 87A. Factoring in the ₹75,000 salaried standard deduction, an employee earning a gross salary of ₹7,75,000 pays exactly ₹0 income tax.
5. Summary Decision Rule
- Choose the Old Regime if: You are paying high metro rent (large HRA claim) AND servicing a home loan (Sec 24b) AND maxing 80C/80D (total deductions exceeding ₹4 Lakhs).
- Choose the New Regime if: You do not have heavy home loan interest or HRA claims. The New Regime offers lower baseline rates, zero investment lock-in requirements, and zero paperwork hassle.