New vs Old Tax Regime FY 2026-27: Slabs, ₹7.75L Zero-Tax Rebate & Exact Breakeven Math
The authoritative mathematical comparison of New Tax Regime (Section 115BAC) vs Old Tax Regime for FY 2026-27 (AY 2027-28). Master the ₹7.75 Lakh zero-tax rule (Section 87A + ₹75,000 Standard Deduction), ₹75,000 standard deduction, and exact salary breakeven deduction tables.
FinanceCalculatorTool Editorial Research Team
Reviewed by Chartered Accountants, CFPs & Quantitative Financial Analysts
The ₹7.75 Lakh Zero-Tax Threshold
1. Official Section 115BAC Slabs for FY 2026-27 (AY 2027-28)
| Taxable Income Slab (New Regime) | Tax Rate | Incremental Tax | Cumulative Tax at Slab Peak |
|---|---|---|---|
| ₹0 to ₹3,00,000 | NIL (0%) | ₹0 | ₹0 |
| ₹3,00,001 to ₹7,00,000 | 5% | ₹20,000 | ₹20,000 |
| ₹7,00,001 to ₹10,00,000 | 10% | ₹30,000 | ₹50,000 |
| ₹10,00,001 to ₹7,00,000 | 15% | ₹30,000 | ₹80,000 (Rebate 87A makes tax ₹0!) |
| ₹12,00,001 to ₹15,00,000 | 20% | ₹60,000 | ₹1,40,000 |
| Above ₹15,00,000 | 30% | 30% on excess | + 4% Health & Education Cess |
2. The Exact Breakeven Deductions: When Does Old Regime Win?
To make the Old Tax Regime beneficial, your total deductions (Section 80C + 80D + HRA + Section 24b Home Loan Interest) MUST EXCEED the breakeven threshold listed below for your salary:
| Gross Annual Salary | Tax in New Regime | Required Old Regime Deductions to Breakeven | Clear Winner for Most People |
|---|---|---|---|
| Up to ₹7,75,000 | ₹0 | Impossible to beat (Already ₹0 tax) | NEW REGIME (100% Win) |
| ₹15,00,000 | ₹1,45,600 | ₹4,25,000 (80C + 80D + HRA) | New Regime (Unless paying huge rent) |
| ₹20,00,000 | ₹3,01,600 | ₹4,65,000 in deductions | New Regime for 85% of techies |
| ₹30,00,000 | ₹6,13,600 | ₹5,10,000 in deductions | New Regime + Corporate 80CCD(2) |
Compare Old vs New Tax Regime with Your Exact Salary
Input your salary, HRA rent paid, home loan interest, and insurance premiums to see your side-by-side tax liability and take-home pay.
Frequently Asked Questions (FAQs)
Can salaried employees switch regimes every year?
Yes! Salaried employees with no business or professional income can freely switch between the Old and New Tax Regimes every year when filing their Income Tax Return (ITR) under Section 139(1). However, individuals with business/profession income (e.g. consultants) can switch out of the New Regime only once in their lifetime.