Old vs New Tax Regime: Which Saves More Tax in FY 2025-26?

Salaried taxpayers earning up to ₹12.75 lakh in FY 2025-26 owe zero income tax under the new regime — no deductions needed, no paperwork. Above that, the right choice depends entirely on how much you can legitimately claim. This guide gives you the slab tables, worked ₹ examples, and a free calculator to settle the question in under 60 seconds.

Get your exact figure in seconds — use our Old vs New Tax Regime Calculator on Toolisky.

In This Article

1. What Is the Old Tax Regime?

2. What Is the New Tax Regime?

3. Key Differences at a Glance

4. Tax Slab Comparison: FY 2025-26

5. Which Deductions Are Allowed?

6. When Is the Old Regime Better?

7. When Is the New Regime Better?

8. Real-Life ₹ Examples

9. Budget 2025 Changes

10. How to Switch Regimes

11. Which Regime for Your Taxpayer Type?

12. Frequently Asked Questions

What Is the Old Tax Regime?

India's traditional income tax system — the one most taxpayers grew up filing under. The core mechanic: you claim every deduction you're eligible for, reduce your taxable income, then apply the slab rates to whatever's left. HRA, Section 80C investments, home loan interest, health insurance premiums — all of it comes off before tax is calculated.

The bigger your legitimate deductions, the lower your final bill. That's the deal.

Old regime slabs haven't moved since FY 2017-18. The government has repeatedly left them untouched while improving the new regime — which tells you where the policy direction is heading.

Pro Insight: The old regime rewards taxpayers who actively invest in PPF, ELSS, NPS, and LIC — and those paying rent or home loan EMIs. If that describes you, don't switch without running the numbers first.

What Is the New Tax Regime?

Introduced in Budget 2020, overhauled in 2023, and made far more attractive in Budget 2025 — the new regime trades deductions for lower slab rates. You give up most exemptions, pay tax on a higher base, but at rates low enough that most people still come out ahead.

As of FY 2023-24, the new regime is the default for all taxpayers. Do nothing, and your employer computes TDS under new regime rules. You have to actively opt out — not opt in.

No investment proofs. No rent receipts. No year-end scramble for documents. Just file and pay.

Expert Tip: Salaried employees get a ₹75,000 standard deduction under the new regime. Stack that on top of the ₹12 lakh Section 87A rebate from Budget 2025, and income up to ₹12.75 lakh is completely tax-free.

Old vs New Tax Regime: Key Differences at a Glance

Tax Slab Comparison: Old vs New Regime (FY 2025-26)

New Tax Regime — Slabs for FY 2025-26

Section 87A Rebate (New Regime): Total income at or below ₹12,00,000? Tax is zero — the rebate wipes it out completely. For salaried individuals, this extends to ₹12,75,000 after the ₹75,000 standard deduction.

Old Tax Regime — Slabs for FY 2025-26

Senior Citizens (60–80 years): Basic exemption limit is ₹3,00,000. Super Senior Citizens (80+ years): Basic exemption limit is ₹5,00,000.

Section 87A Rebate (Old Regime): Income after all deductions at or below ₹5,00,000 — tax is zero.

Warning: A 4% Health and Education Cess applies on the final tax amount under both regimes. Surcharge kicks in at higher income levels.

Which Deductions Are Allowed in Each Regime?

The deduction question is what makes or breaks the comparison. New regime strips most of them away — in return for rates low enough that many taxpayers still save money. Here's exactly what you can and cannot claim.

Deductions Available ONLY in the Old Regime

• Section 80C — PPF, ELSS, LIC premiums, EPF, tax-saver FDs, NSC, Sukanya Samriddhi (up to ₹1.5 lakh)

• Section 80CCD(1B) — Additional NPS contribution up to ₹50,000

• Section 80D — Health insurance premiums for self, spouse, children, and parents (₹25,000–₹1,00,000 depending on age)

• HRA (House Rent Allowance) — Calculated on actual rent paid, salary, and city of residence

• LTA (Leave Travel Allowance) — Domestic travel exemption for two journeys in a 4-year block

• Section 24(b) — Home loan interest up to ₹2 lakh for self-occupied property

• Section 80E — Interest on education loan, no upper cap, claimable for 8 years

• Section 80G — Charitable donations at 50%–100% depending on the organisation

• Section 80TTA — Savings account interest up to ₹10,000

• Section 80TTB — Interest income exemption for senior citizens up to ₹50,000

• Section 80GG — Rent deduction for those without HRA as a salary component

Deductions Available in BOTH Regimes

• Standard Deduction — ₹50,000 under old regime, ₹75,000 under new regime. See the exact rupee impact here

• Employer's NPS contribution — Up to 14% of salary under new regime, 10% under old (new regime is actually better here)

• Section 80CCH — Agniveer Corpus Fund deduction

• Gratuity exemption — Up to ₹25 lakh

• Leave encashment — Up to ₹25 lakh at retirement

• Voluntary Retirement Scheme (VRS) — Up to ₹5 lakh

Pro Insight: Tally your total eligible deductions under the old regime. Cross ₹3.75 lakh and the old regime will likely save you more. Below that threshold, the new regime wins on lower rates alone.

When Is the Old Tax Regime Better?

Stick with the old regime if any of the following apply to you:

• You pay rent and receive a meaningful HRA component in your salary structure

• You're servicing a home loan and claim the full ₹2 lakh interest deduction under Section 24(b)

• You consistently max out your 80C limit every year through PPF, ELSS, LIC, and EPF top-ups

• You pay health insurance premiums for yourself, spouse, and ageing parents

• Your income falls between ₹10 lakh and ₹20 lakh with multiple deduction streams running together

• You support a large family whose health insurance premiums you fund across separate policies

• An education loan is still running and you're claiming the Section 80E interest deduction

Breakeven Table: Deductions Needed to Make Old Regime Better

Expert Tip: Cross the breakeven for your income level and the old regime pulls ahead. Stay below it and the new regime's lower rates do more work than your deductions can.

When Is the New Tax Regime Better?

Go with the new regime if your situation looks like any of these:

• Salaried income up to ₹12.75 lakh — tax is zero after standard deduction and Section 87A rebate, full stop

• Deductions are thin — no HRA claim, no home loan, modest 80C

• You're a new joiner or first-time taxpayer with no major financial commitments built up yet

• Your employer provides accommodation or you own your home outright — no rent or EMI to claim

• You'd rather skip the annual proof-submission cycle entirely

• HRA is not part of your salary structure at all

• Income is in the ₹15L–₹30L+ range and total deductions stay under ₹3.5 lakh

Pro Insight: Budget 2025 sent a clear message. The ₹12 lakh zero-tax threshold didn't exist under any previous regime. The government built this to pull middle-income salaried India into the new system — and for most people in that range, it works exactly as designed.

Real-Life Examples: Old vs New Regime Tax Calculation

Example 1 — Salaried Employee, ₹10 Lakh Income

Example 2 — Salaried Employee, ₹15 Lakh with Heavy Deductions

This taxpayer claims HRA, full 80C, 80D, and a home loan — a realistic profile for someone in a metro city paying rent or EMI.

Example 3 — Salaried Employee, ₹20 Lakh with Moderate Deductions

Only standard deduction plus 80C and 80D claimed — no home loan, no HRA.

Warning: These figures are for illustration. Your actual tax depends on exact income components, allowance breakdown, and deduction amounts. Always verify with a calculator before declaring your regime choice.

Budget 2025 Changes That Shifted the Balance

Five concrete changes came in with Union Budget 2025, all effective from FY 2025-26. Every single one favoured the new regime.

1. Zero tax up to ₹12 lakh

The Section 87A rebate ceiling was raised from ₹7 lakh to ₹12 lakh. Earn up to ₹12 lakh and the rebate cancels your entire tax liability — not reduces it, eliminates it.

2. Salaried taxpayers zero-tax up to ₹12.75 lakh

Add the ₹75,000 standard deduction on top and salaried individuals effectively pay no tax up to ₹12,75,000. That's the practical number to keep in mind.

3. A new 25% bracket between ₹20–24 lakh

Previously the rate jumped straight from 20% to 30% above ₹15 lakh. Budget 2025 inserted a 25% band for ₹20–24 lakh, making the progression less punishing for mid-to-high earners.

4. Basic exemption raised to ₹4 lakh

Up from ₹3 lakh in FY 2024-25. Every taxpayer on the new regime pays nothing on the first ₹4 lakh of income.

5. Old regime slabs left untouched — again

No change to old regime slabs, which last moved in FY 2017-18. The gap between the two regimes at lower income levels is wider now than at any point since the new regime launched.

Pro Insight: At ₹15 lakh income, breaking even in favour of the old regime now requires deductions above ₹3.5 lakh — meaning you need active planning across 80C, HRA, and a home loan running simultaneously. Without all three, the new regime wins at that level. Use the Salary Tax Calculator India to model your exact take-home numbers.

Edge Case Most Articles Miss: The Marginal Relief Trap Near ₹12 Lakh

Say your income lands at ₹12,10,000 under the new regime. You've just crossed the Section 87A rebate threshold — and you lose the rebate entirely. Tax now applies to the full ₹12,10,000, not just the ₹10,000 above the limit. The resulting tax bill can exceed the extra ₹10,000 you earned. That's the marginal relief zone. If your income sits anywhere between ₹12 lakh and ₹12.75 lakh, run it through the Section 87A Marginal Relief Calculator before assuming the new regime is still better.

Common Misconception: "NPS Has No Benefit in the New Regime"

Wrong — and this one costs people money. Your own NPS contributions (Section 80CCD(1B)) are indeed disallowed under the new regime. But your employer's NPS contribution stays fully deductible up to 14% of your basic salary. Under the old regime that cap was 10%. The new regime is actually more generous on employer NPS — so if your company offers it as a salary restructuring option, negotiating a higher employer NPS contribution specifically makes sense under the new regime.

How to Use the Old vs New Tax Regime Calculator

Doing this manually is slow and easy to get wrong — a missed slab boundary or an incorrect cess calculation throws off the whole comparison. Four steps in the calculator:

1. Enter Your Annual Income — gross salary, business income, freelance earnings, or the combined total from all sources.

2. Enter Your Deductions — 80C investments, HRA exemption amount, home loan interest, health insurance premiums (80D), NPS contributions, anything else you legitimately claim.

3. View Side-by-Side Comparison — tax liability under both regimes appears instantly, with the rupee difference called out clearly.

4. Decide and Act — pick the lower-tax option. Salaried employees declare it via Form 12BB to the employer. Business taxpayers file Form 10-IEA before the ITR due date.

Get your exact figure in seconds — use our Old vs New Tax Regime Calculator on Toolisky.

Expert Tip: Revisit this every April — not just when you join a new company. A salary hike, a new home loan, or a change in rent can shift which regime saves more. Lock in your choice at the start of each financial year.

How to Switch Between Old and New Tax Regime

Salaried Employees (No Business Income): You can switch every year. Tell your employer which regime you want at the start of the financial year. Miss that window? You can still choose at the time of filing your ITR — but your TDS deductions throughout the year will have been computed under the default (new) regime, which may mean a refund wait.

Business Owners, Freelancers, and Self-Employed: The switching rules are stricter. You can move from new to old once in your lifetime. Go back to old, then switch back to new — fine. But once you've returned to new after the old regime, you cannot go back to old again. Think this through before making any move.

Forms to use:

• Opting out of the new regime: file Form 10-IEA before the ITR due date

• Declaring your choice to your employer: submit Form 12BB

Warning: Miss the Form 10-IEA deadline and file under the new regime by default — that choice is locked for the year. The ITR portal will not let you switch post-filing. Don't leave this to the last week of July.

Action Step to Take This Week

If your employer hasn't asked you to declare your regime yet for FY 2025-26, send HR or payroll a message today. TDS defaults to the new regime if you say nothing. If the old regime saves you more, you need to submit Form 12BB before your first TDS deduction of the year — not after. Getting this wrong means overpaying tax every month and then waiting for a refund post-ITR filing. That wait is avoidable.

Old vs New Tax Regime by Taxpayer Type

Salaried Employees

Up to ₹15 lakh with deductions under ₹3.5 lakh — new regime wins, usually by a wide margin. The old regime only pulls ahead when HRA, 80C, and a home loan are all running at the same time. One or two of those isn't enough above ₹12 lakh.

Freelancers and Self-Employed

HRA and LTA are off the table for you regardless — those are salary components. But 80C, 80D, and home loan interest still work under the old regime. If you're investing aggressively in PPF or ELSS while repaying a home loan, run the numbers carefully before defaulting to new.

Business Owners

Lower rates, no paperwork, and a clean filing process make the new regime attractive — especially for businesses with high income but limited personal deductions. Just remember: switching back to old later is a one-time option, not a recurring one. Don't treat it as reversible.

Senior Citizens

The old regime gives seniors a ₹3 lakh basic exemption floor and the Section 80TTB deduction (up to ₹50,000 on FD interest). For retirees living off fixed deposits, that combination frequently beats the new regime's lower rates. The verdict here is not automatic — run the actual numbers with your FD interest income and pension amount before choosing.

First-Time Taxpayers

New regime, almost without exception. No home loan, no HRA history, no 80C habit built up yet — the lower slab rates do more work than deductions you're not claiming. The ₹12 lakh zero-tax threshold is particularly valuable at the start of a career when income is still growing.

Frequently Asked Questions

Which is better — old tax regime or new tax regime?

Depends entirely on your deductions. Below ₹3.75 lakh in total eligible deductions, the new regime's lower rates win. Cross that number — especially with HRA, home loan interest, and full 80C all stacked together — and the old regime will save you more. Put your actual figures into a calculator. Don't guess.

What is the tax-free limit under the new regime in FY 2025-26?

₹12 lakh for all taxpayers, zero tax via the Section 87A rebate. Salaried individuals get an additional ₹75,000 standard deduction on top of that — making the effective zero-tax limit ₹12,75,000. Budget 2025 introduced both of these changes.

Can I switch between old and new tax regime every year?

Salaried employees with no business income — yes, every year. Business owners and self-employed individuals can switch from new to old only once. After that, going back to old a second time is not allowed.

Is the new tax regime mandatory from FY 2024-25?

Default, not mandatory. The new regime applies automatically if you don't say otherwise. Opt for the old regime by filing Form 10-IEA or submitting Form 12BB to your employer. Miss both and the new regime locks in for that year.

What deductions are still allowed in the new tax regime?

The list is short: ₹75,000 standard deduction (salaried), employer's NPS contribution up to 14% of salary, Agniveer Corpus Fund under Section 80CCH, gratuity up to ₹25 lakh, and leave encashment up to ₹25 lakh at retirement. Everything else — 80C, 80D, HRA, LTA, home loan interest — is out.

What's the tax difference between old and new regime on a ₹12 lakh salary?

Under the new regime, zero — the ₹75,000 standard deduction brings taxable income to ₹11.25 lakh, and the Section 87A rebate wipes out the remaining tax completely. Under the old regime with standard deduction + 80C + 80D (₹50K + ₹1.5L + ₹25K), taxable income is ₹9.75 lakh and tax before cess comes to roughly ₹1,27,500. New regime wins by a large margin at this income level.

Is HRA available in the new tax regime?

No. HRA exemption does not exist under the new regime. If you're renting in a metro city and your HRA component is substantial — say ₹1–2 lakh per year — that alone can tip the comparison toward the old regime at incomes above ₹12.75 lakh.

Can I claim home loan interest deduction under the new tax regime?

No. Section 24(b) is not available for self-occupied property under the new regime. Let at out property is a different case — rental income is still taxed, but the deduction structure changes. For a self-occupied home, the ₹2 lakh interest deduction only works under the old regime.

What is Section 87A rebate and how does it work?

Section 87A reduces your final computed tax to zero if your income falls below a specified limit — it's a rebate, not a deduction. Under the new regime, the limit is ₹12 lakh (FY 2025-26). Under the old regime, it's ₹5 lakh after all deductions. The tricky part: if you earn even ₹1 above the threshold, you lose the full rebate. That's the marginal relief zone — use the Section 87A Marginal Relief Calculator if your income is near either limit.

What surcharge applies under each regime?

Surcharge rates are identical under both regimes up to ₹2 crore. Above ₹5 crore, the old regime charges 37% surcharge while the new regime caps at 25%. At that income level the difference is large — the new regime saves lakhs on surcharge alone, separate from the slab-rate comparison entirely.

Related Tools and Resources on Toolisky

• Old vs New Tax Regime Calculator — Compare your exact tax under both regimes in under 60 seconds

• Salary Tax Calculator India — Full take-home pay after TDS, PF, and professional tax

• Section 87A Marginal Relief Calculator — Essential if your income sits between ₹12L and ₹12.75L

• Standard Deduction Tax Impact Calculator — See the rupee difference between the ₹50K and ₹75K deductions

• Short-Term Capital Gains Tax Calculator — Capital gains are taxed separately; relevant if you hold equity or mutual funds

Official Sources and References

• incometaxindia.gov.in — Income Tax Act provisions, Section 87A, slab rates

• cbdt.gov.in — CBDT circulars on new regime default and Form 10-IEA

• pib.gov.in — Union Budget 2025 press releases and Finance Bill summary

After Budget 2025, the answer is clear for large chunks of the taxpayer population. But not for everyone.

• Earning up to ₹12.75 lakh (salaried)? New regime. Zero tax. No calculation needed.

• Earning ₹12.75L–₹15L with deductions above ₹2.5L? Run the calculator — it genuinely could go either way.

• Earning above ₹15L with 80C, HRA, and a home loan all active? Old regime likely wins if total deductions cross ₹3.5–4L.

• First-time taxpayer, no major deductions? New regime. Every time.

The number that matters most is your total eligible deductions — not your income, not your salary structure, not what your colleague chose. Put your actual figures into the Old vs New Tax Regime Calculator and let the comparison decide. Takes under a minute and could save you thousands.

If you hold equity shares or mutual funds, also check the Short-Term Capital Gains Tax Calculator — STCG is taxed at a flat rate outside the slab system, and large gains can affect the marginal math of your regime decision.