Updated 2026-06-12
Old vs New Tax Regime — Which Saves More Tax?
At ₹15L salary with ₹4L+ deductions, old regime saves you ₹45,000 more. But at ₹10L with minimal deductions, new regime wins by ₹30,000. Here's the exact breakeven for your salary.
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Old Regime Deductions
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New Regime
WinnerTaxable Income₹14.25 L
Deductions₹75,000
Tax + Cess₹97,500
Monthly Take-Home₹1.17 L
Old Regime
Taxable Income₹10.25 L
Deductions₹4.75 L
Tax + Cess₹1.25 L
Monthly Take-Home₹1.15 L
New regime saves you ₹27,300/year (₹2,275/month more)
With ₹4.25 L in deductions, new regime's lower slabs still save more. You'd need ~₹more deductions for old regime to win.
Based on FY 2026-27 slabs (Income Tax Act 2025). Standard deduction: ₹75,000 (new) / ₹50,000 (old). Section 87A rebate applied automatically.
Tax Slab Comparison
| Income Slab | New Regime Rate | Old Regime Rate |
|---|---|---|
| Up to ₹2.5L | 0% | 0% |
| ₹2.5L – ₹4L | 0% | 5% |
| ₹4L – ₹5L | 5% | 5% |
| ₹5L – ₹8L | 5% | 20% |
| ₹8L – ₹10L | 10% | 20% |
| ₹10L – ₹12L | 10% | 30% |
| ₹12L – ₹16L | 15% | 30% |
| ₹16L – ₹20L | 20% | 30% |
| ₹20L – ₹24L | 25% | 30% |
| Above ₹24L | 30% | 30% |
Note: New regime slabs are per FY 2026-27 (Income Tax Act 2025). Both regimes have 4% health & education cess on total tax.
Breakeven Analysis: How Much Deduction Do You Need?
| Gross Income | Tax (New Regime) | Deductions Needed for Old to Win | Typical Deductions Available |
|---|---|---|---|
| ₹8L | ₹0 (87A rebate) | N/A — New wins | ₹1.5-2L |
| ₹10L | ₹0 (87A rebate) | N/A — New wins | ₹2-3L |
| ₹12L | ₹0 (87A rebate) | N/A — New wins | ₹2.5-4L |
| ₹15L | ~₹1.04L | ≥ ₹4.25L | ₹3.5-5.5L (with HRA) |
| ₹20L | ~₹2.34L | ≥ ₹5.25L | ₹4-7L (with HRA + home loan) |
| ₹30L | ~₹5.46L | ≥ ₹6.75L | ₹5-8L (max deductions) |
Why This Decision Matters More Than You Think
Choosing the wrong tax regime can cost you ₹30,000–₹1,00,000+ per year. At ₹20L income, the difference between optimal and sub-optimal choice is ₹45,000-70,000 annually. Over a 30-year career, that's ₹15-20 lakh in unnecessarily paid taxes — money that could have been invested and grown to ₹50L+ through compounding.
New Regime: The Simple, Low-Rate Option
The new regime offers lower slab rates but strips away almost all deductions. It's designed for people who don't want to plan investments around tax-saving. You get:
- ₹75,000 standard deduction (increased from ₹50,000 in FY 2024-25)
- Section 87A rebate for income up to ₹12L taxable (effective zero tax up to ₹12.75L gross)
- Lower marginal rates in the ₹5-15L range (5-15% vs 20-30% in old)
- No planning required — just earn, file, done
Old Regime: Higher Rates, But Deductions Can Eliminate Them
The old regime has steeper slabs (20% kicks in at ₹5L vs ₹16L in new) but allows deductions that can dramatically reduce your taxable income:
- Section 80C: ₹1,50,000 — EPF, PPF, ELSS, life insurance, tuition fees
- Section 80D: ₹25,000-₹1,00,000 — Health insurance premiums
- HRA Exemption: ₹2,00,000-₹5,00,000+ — Based on rent paid in metro
- Section 24: ₹2,00,000 — Home loan interest
- 80CCD(1B): ₹50,000 — Additional NPS deduction
- Standard deduction: ₹50,000
Total possible deductions: ₹6.5-10L+ for a metro employee with home loan and family health insurance.
The Decision Framework
Choose New Regime if:
- Gross income below ₹12.75L (zero tax under 87A anyway)
- You don't pay rent (no HRA benefit in old regime)
- You don't have a home loan
- Your only deductions are 80C + 80D (₹1.75L total — not enough to justify old)
- You want simplicity and don't want to maintain proof/documentation
Choose Old Regime if:
- You're a salaried metro employee paying ₹25,000+ rent
- You have a home loan with ₹2L/year interest
- You can combine HRA + 80C + 80D + NPS to exceed ₹4-5L in deductions
- You're already investing in PPF, ELSS, or EPF (80C is "free" deduction)
Common Mistakes That Cost You Money
- Choosing new regime "because it's simpler" without calculating — many people leave ₹40K-70K on the table annually.
- Forgetting EPF counts in 80C — your employer EPF contribution (up to ₹1.5L) is already a 80C deduction. You don't need additional ELSS/PPF if EPF fills it.
- Not claiming HRA while paying rent to parents — legally valid if parents show rental income. Saves ₹20K-80K in tax.
- Ignoring the Section 87A cliff — at ₹12.76L gross (new regime), you go from ₹0 tax to ₹60,000+ tax. Even ₹1 over the threshold is brutally penalized.
- Not switching annually — your optimal regime can change year to year. Review every April when your salary changes.
Frequently Asked Questions
Who should choose the new tax regime?
Choose new regime if your total deductions under old regime (80C + 80D + HRA + home loan + NPS + standard deduction) are less than about ₹3.75 lakh for income around ₹12L, or ₹5.25L for income around ₹20L. Salaried people in rented accommodation in metro cities with home loans often still benefit from old regime. Those without rent or significant investments should pick new.
Can I switch between old and new regime every year?
Yes, salaried employees can switch between regimes every financial year at the time of filing ITR. No form or declaration needed — just file under your chosen regime. However, if you have business income (ITR-3/4), you can only switch once from new to old regime in your lifetime. Salaried individuals (ITR-1/2) have unlimited switching.
Is new tax regime the default from FY 2023-24?
Yes. From FY 2023-24 (AY 2024-25) onwards, the new regime is the default. If you don't explicitly choose old regime, you're automatically taxed under new regime. You need to file Form 10-IEA before filing ITR to opt for old regime. Your employer assumes new regime for TDS unless you inform them otherwise.
What deductions are available under the new regime?
Very few: (1) Standard deduction of ₹75,000 (from FY 2024-25), (2) Employer NPS contribution under 80CCD(2) — up to 14% of salary for central govt, 10% for others, (3) Agniveer corpus fund 80CCH. That's essentially it. No 80C, no 80D, no HRA exemption, no home loan deduction, no LTA, no professional tax deduction.
At what salary does old regime become better?
Old regime becomes better when total deductions exceed the breakeven point. At ₹10L income: ~₹2.6L deductions. At ₹15L income: ~₹4.25L deductions. At ₹20L: ~₹5.25L deductions. If you max out 80C (₹1.5L) + 80D (₹25-50K) + HRA (₹2-4L in metros) + home loan (₹2L), you easily cross ₹5L in deductions — making old regime significantly better above ₹12L income.
What is the Section 87A rebate under both regimes?
Under new regime: if taxable income ≤ ₹12L (after ₹75K standard deduction, so gross up to ₹12.75L), your entire tax is rebated to zero. Under old regime: if taxable income ≤ ₹5L, tax is rebated to zero. Note: there's a hard cliff — even ₹1 above the limit triggers full slab tax with no marginal relief. This creates a 'tax cliff' that catches many people off-guard.
How does HRA affect the old vs new regime decision?
HRA is the single biggest deduction for salaried metro employees. If you earn ₹15L, have 50% basic, and pay ₹30,000 rent in Mumbai — your HRA exemption alone is ₹2.4L/year. Add 80C (₹1.5L) and 80D (₹25K) and you're at ₹4.15L deductions. This makes old regime the clear winner. If you live in own house or don't pay rent, you lose this entirely — making new regime likely better.
Should I keep 80C investments if I choose new regime?
Investments like EPF, PPF, and ELSS have merits beyond tax saving. EPF gives 8.25% tax-free returns. PPF gives 7.1% tax-free with sovereign guarantee. ELSS gives equity exposure with just 3-year lock-in. Even under new regime, these are good investments — you just don't get the tax deduction. Don't stop investing just because you switched regime; invest for returns, not just tax saving.
Try it yourself → Income Tax Calculator