Every year around February, the same question floods WhatsApp groups, office cafeterias, and family dinners across India:
“Bhai, old regime ya new regime — kya choose karna chahiye?”
I have answered this question personally for four people in my circle in the last three months alone. A software engineer in Pune earning ₹14 lakh per year. A school teacher in Mumbai earning ₹6.5 lakh. A marketing manager in Delhi earning ₹22 lakh. A freelance designer earning ₹9 lakh with irregular income.
Every single one of them had a different answer — and every single one of them was confused by the generic advice floating around the internet saying “new regime is better for most people.” That advice is sometimes true and sometimes completely wrong depending on your specific situation.
This article gives you the actual calculation method, not generic advice. By the end you will know exactly which regime saves you more money based on your own salary and deductions.
What Changed in 2025–26 That Makes This Decision Different Now
The Union Budget 2025 made the new tax regime more attractive than it has ever been. Here is what changed:
The basic exemption limit under the new regime was raised to ₹4 lakh. The rebate under Section 87A was enhanced so that individuals earning up to ₹12 lakh pay zero tax under the new regime. The standard deduction of ₹75,000 was retained under the new regime — meaning anyone earning up to ₹12.75 lakh effectively pays zero income tax if they choose the new regime.
This is a significant shift from previous years when the old regime was clearly better for people with high deductions. The calculation is genuinely closer now — which is exactly why you need to run your own numbers rather than follow generic advice.
The New Tax Regime Slabs for 2025–26
| Income Range | Tax Rate |
|---|---|
| Up to ₹4,00,000 | Nil |
| ₹4,00,001 to ₹8,00,000 | 5% |
| ₹8,00,001 to ₹12,00,000 | 10% |
| ₹12,00,001 to ₹16,00,000 | 15% |
| ₹16,00,001 to ₹20,00,000 | 20% |
| ₹20,00,001 to ₹24,00,000 | 25% |
| Above ₹24,00,000 | 30% |
Standard deduction of ₹75,000 is available under the new regime for salaried individuals and pensioners.
Important: If your income is up to ₹12,00,000 the Section 87A rebate covers your entire tax liability under the new regime. Combined with the ₹75,000 standard deduction, income up to ₹12,75,000 effectively means zero tax.
The Old Tax Regime Slabs for 2025–26
| Income Range | Tax Rate |
|---|---|
| Up to ₹2,50,000 | Nil |
| ₹2,50,001 to ₹5,00,000 | 5% |
| ₹5,00,001 to ₹10,00,000 | 20% |
| Above ₹10,00,000 | 30% |
The old regime allows deductions and exemptions including:
- Standard deduction: ₹50,000
- Section 80C: up to ₹1,50,000
- Section 80D (health insurance): up to ₹25,000 (₹50,000 for senior citizens)
- HRA exemption (if you pay rent)
- Home loan interest under Section 24B: up to ₹2,00,000
- NPS contribution under Section 80CCD(1B): up to ₹50,000
- LTA, education loan interest, and several others
The Real Calculation — 4 Actual Examples
Example 1 — Software Engineer, Pune, ₹14 Lakh CTC
Gross salary: ₹14,00,000 Standard deduction: ₹50,000 (old) / ₹75,000 (new)
Old Regime — with deductions:
- 80C investments (ELSS + PPF): ₹1,50,000
- Health insurance 80D: ₹25,000
- NPS 80CCD(1B): ₹50,000
- Standard deduction: ₹50,000
- Total deductions: ₹2,75,000
- Taxable income: ₹11,25,000
- Tax calculation: ₹12,500 (5% on ₹2.5L) + ₹1,00,000 (20% on ₹5L) + ₹37,500 (30% on ₹1.25L) = ₹1,50,000
- Add 4% cess: ₹6,000
- Total tax old regime: ₹1,56,000
New Regime:
- Standard deduction: ₹75,000
- Taxable income: ₹13,25,000
- Tax calculation: Nil (up to ₹4L) + ₹20,000 (5% on ₹4L) + ₹42,500 (10% on ₹4.25L) + ₹48,750 (15% on ₹1.25L) = ₹1,11,250
- Add 4% cess: ₹4,450
- Total tax new regime: ₹1,15,700
Verdict for this person: New regime saves ₹40,300 per year.
This surprised him. He assumed the old regime was better because he invests in 80C regularly. The math said otherwise.
Example 2 — School Teacher, Mumbai, ₹6.5 Lakh
Gross salary: ₹6,50,000
Old Regime:
- Standard deduction: ₹50,000
- 80C (PF + LIC): ₹1,20,000
- Health insurance 80D: ₹20,000
- Total deductions: ₹1,90,000
- Taxable income: ₹4,60,000
- Tax: ₹21,000 (5% on ₹2.1L)
- Add 4% cess: ₹840
- Total tax old regime: ₹21,840
New Regime:
- Standard deduction: ₹75,000
- Taxable income: ₹5,75,000
- Tax: Nil up to ₹4L + ₹8,750 (5% on ₹1.75L) = ₹8,750
- But Section 87A rebate covers tax up to ₹12L income
- Total tax new regime: ₹0
Verdict for this person: New regime saves ₹21,840 — she pays zero tax.
She was filing old regime every year and paying over ₹20,000 unnecessarily.
Example 3 — Marketing Manager, Delhi, ₹22 Lakh with HRA
Gross salary: ₹22,00,000 Monthly rent paid: ₹25,000 (₹3,00,000 per year)
Old Regime:
- Standard deduction: ₹50,000
- 80C: ₹1,50,000
- 80D: ₹25,000
- HRA exemption: approximately ₹1,80,000 (depends on actual calculation)
- Home loan interest 24B: ₹2,00,000
- NPS 80CCD(1B): ₹50,000
- Total deductions: ₹6,55,000
- Taxable income: ₹15,45,000
- Tax: ₹12,500 + ₹1,00,000 + ₹1,63,500 (30% on ₹5.45L) = ₹2,76,000
- Add 4% cess: ₹11,040
- Total tax old regime: ₹2,87,040
New Regime:
- Standard deduction: ₹75,000
- Taxable income: ₹21,25,000
- Tax: Nil + ₹20,000 + ₹40,000 + ₹60,000 + ₹80,000 + ₹31,250 = ₹2,31,250
- Add 4% cess: ₹9,250
- Total tax new regime: ₹2,40,500
Verdict for this person: Old regime saves ₹46,540 per year.
For him, the combination of HRA, home loan interest, and NPS makes the old regime clearly better despite the new regime looking attractive on paper.
Example 4 — Freelance Designer, ₹9 Lakh Irregular Income
This case is different because freelancers file under business income, not salary income. The standard deduction does not apply the same way. For freelancers and self-employed individuals the calculation involves presumptive taxation under Section 44ADA which I will cover in a separate article — the analysis here is specifically for salaried employees.
The Simple Rule of Thumb
Based on the calculations above and dozens of similar cases, here is the pattern:
New regime is almost always better if:
- Your income is below ₹12.75 lakh — you pay zero tax
- Your total deductions under old regime are less than ₹3.75 lakh
- You do not pay significant rent (no HRA benefit)
- You do not have a home loan
Old regime is better if:
- Your income is above ₹15 lakh AND you have high deductions
- You pay significant rent in a metro city (high HRA benefit)
- You have a home loan with large interest component
- You actively invest ₹1.5 lakh in 80C AND contribute to NPS AND have health insurance
The crossover point for most salaried Indians is approximately ₹3.75–4 lakh in total deductions. If your deductions exceed this number under the old regime, run the calculation. If they fall below it, new regime is almost certainly better.
How to Actually Switch Regimes
For salaried employees: You can switch between old and new regime every financial year. Inform your employer at the beginning of the year by submitting Form 12BB with your investment declarations. Your employer will deduct TDS accordingly.
If you miss informing your employer, you can still choose the correct regime when filing your ITR before July 31st.
Important: If you have business income in addition to salary income, switching is subject to different rules. Consult a CA in that case.
Where to file: incometaxindia.gov.in — official Income Tax portal for filing ITR and checking your Form 26AS.
My Personal Recommendation
I have run this calculation for multiple people and the result is almost always the same: most Indians earning below ₹15 lakh are better off in the new regime in 2025–26 unless they are paying significant rent in a metro or have a large home loan.
The government has deliberately made the new regime simpler and more beneficial for the majority. The old regime now mainly benefits people who have genuinely large deductions — not people who invest ₹50,000 in 80C and call it a day.
Run your own numbers using the examples above as a template. The 30 minutes you spend on this calculation could save you ₹15,000–₹50,000 per year.
Quick Summary
- Income up to ₹12.75 lakh → New regime → Zero tax
- Income ₹12.75L–₹15L with low deductions → New regime usually better
- Income above ₹15L with HRA + home loan + NPS → Old regime may win
- Switch is allowed every year for salaried employees
- Inform employer via Form 12BB at start of financial year
- File ITR at incometaxindia.gov.in before July 31st
This article was written by Mahesh Kumar, a Mumbai-based tech and finance blogger. Tax calculations are based on Finance Act 2025 provisions. For personalised tax planning, consult a SEBI-registered investment advisor or chartered accountant. You can verify current tax slabs at incometaxindia.gov.in.
⚠️ Disclaimer: This article is for general educational purposes only and does not constitute financial advice. For decisions specific to your situation, consult a SEBI-registered financial advisor or chartered accountant.
