Income Tax Calculator India 2026-27 — New vs Old Regime, Slabs and Zero Tax Guide

📅 Last Updated: September 11, 2026 ✍️ By Robins Antony | Digital Marketing Expert | Webova Soft
Quick Answer — Income Tax India 2026-27: Under the New Tax Regime — income up to Rs 12 lakh = Zero tax (after Section 87A rebate). Standard deduction: Rs 75,000. New regime is default and better for most salaried employees with deductions below Rs 3.75 lakh. Old regime better only if you have home loan interest + full 80C + HRA + 80D exceeding Rs 4-5 lakh. NRE Fixed Deposit interest = completely tax free regardless of amount.

If your salary is below Rs 12.75 lakh per year, you owe zero income tax in 2026-27 under the new regime. Zero. Not a small amount — zero. After the Rs 75,000 standard deduction, your taxable income is Rs 12 lakh or below, and the Section 87A rebate covers the full tax liability. This is the biggest personal tax change in years and a surprising number of people are still filing ITR calculating tax they do not owe.

Last Reviewed: September 2026 — Rates verified from official bank websites

Every April, millions of Indian salaried employees face the same question: new regime or old regime? And every year, most people make the wrong choice simply because nobody explains it clearly.

In 2026-27, the answer has become simpler than ever. The new tax regime is now the default, offers zero tax up to Rs 12 lakh income, and has a Rs 75,000 standard deduction. For most salaried individuals in Kerala — teachers, nurses, IT employees, government staff — the new regime is better. But there are specific situations where the old regime still wins. This guide tells you exactly which applies to you, with real salary examples.

Income Tax Slabs 2026-27 — New Tax Regime (Default)

Income SlabTax RateTax on This Slab
Up to Rs 4,00,000NilRs 0
Rs 4,00,001 to Rs 8,00,0005%Up to Rs 20,000
Rs 8,00,001 to Rs 12,00,00010%Up to Rs 40,000
Rs 12,00,001 to Rs 16,00,00015%Up to Rs 60,000
Rs 16,00,001 to Rs 20,00,00020%Up to Rs 80,000
Rs 20,00,001 to Rs 24,00,00025%Up to Rs 1,00,000
Above Rs 24,00,00030%30% on amount above Rs 24L
The Rs 12 Lakh Zero Tax Rule: Under the new regime, if your total income after standard deduction (Rs 75,000) is Rs 12 lakh or below — Section 87A rebate makes your tax liability zero. This means gross salary up to approximately Rs 12.75 lakh = zero income tax for salaried individuals. This is the single biggest change in Indian personal taxation in years.

Income Tax Slabs 2026-27 — Old Tax Regime

Income SlabBelow 60 YearsSenior Citizen (60-80)Super Senior (80+)
Up to Rs 2,50,000NilNilNil
Rs 2,50,001 to Rs 3,00,0005%NilNil
Rs 3,00,001 to Rs 5,00,0005%5%Nil
Rs 5,00,001 to Rs 10,00,00020%20%20%
Above Rs 10,00,00030%30%30%

New Regime vs Old Regime — Which Is Better for You?

Simple rule: If your total deductions (80C + home loan interest + HRA + 80D + NPS) are below Rs 3.75 lakh — new regime saves you more tax. If your deductions exceed Rs 4-5 lakh — old regime may be better. Calculate both before deciding.
Annual IncomeTax (New Regime)Tax (Old Regime — no deductions)Old Regime (with Rs 3.5L deductions)Verdict
Rs 6 lakhRs 0 (87A rebate)Rs 32,500Rs 0 (87A rebate)New regime — simpler
Rs 8 lakhRs 0 (87A rebate)Rs 75,000Rs 0New regime — zero tax
Rs 10 lakhRs 0 (87A rebate)Rs 1,12,500Rs 10,400New regime — clearly better
Rs 12 lakhRs 0 (87A rebate)Rs 1,72,500Rs 52,000New regime — significantly better
Rs 15 lakhRs 45,000Rs 2,62,500Rs 1,30,000New regime — still better
Rs 20 lakhRs 1,45,000Rs 4,12,500Rs 2,62,000Depends on deductions — compare
Rs 30 lakhRs 4,45,000Rs 7,12,500Rs 5,12,000Old regime better with max deductions

Exact Tax Calculation — Kerala Salary Examples

Example 1: Kerala Government School Teacher — Rs 50,000/month salary

ItemNew RegimeOld Regime
Gross Annual SalaryRs 6,00,000Rs 6,00,000
Standard DeductionRs 75,000Rs 50,000
Section 80C (PF, LIC etc)Not allowedRs 1,50,000
Taxable IncomeRs 5,25,000Rs 4,00,000
Tax (before rebate)Rs 26,250Rs 7,500
Section 87A RebateRs 26,250 (full)Rs 7,500 (full)
Final TaxRs 0Rs 0
Health and Education Cess (4%)Rs 0Rs 0
VerdictNew regime — simpler with same result (zero tax)

Example 2: Kerala IT Employee — Rs 1,00,000/month (Rs 12L annual)

ItemNew RegimeOld Regime
Gross Annual SalaryRs 12,00,000Rs 12,00,000
Standard DeductionRs 75,000Rs 50,000
HRA ExemptionNot allowedRs 1,20,000 (est)
Section 80CNot allowedRs 1,50,000
Section 80D (health insurance)Not allowedRs 25,000
Home Loan Interest (24b)Not allowedRs 2,00,000
Taxable IncomeRs 11,25,000Rs 6,55,000
Tax before rebateRs 72,500Rs 40,500
Section 87A RebateRs 72,500 (full — income below Rs 12L)Rs 40,500 (full)
Final Tax + CessRs 0Rs 0
VerdictNew regime — zero tax either way. New regime is simpler.

Example 3: Senior IT Professional Kerala — Rs 2,00,000/month (Rs 24L annual)

ItemNew RegimeOld Regime (max deductions)
Gross Annual SalaryRs 24,00,000Rs 24,00,000
Standard DeductionRs 75,000Rs 50,000
HRA + 80C + 80D + Home LoanNot allowedRs 5,00,000
Taxable IncomeRs 23,25,000Rs 18,50,000
TaxRs 3,42,500Rs 3,77,500
Health and Education Cess (4%)Rs 13,700Rs 15,100
Total TaxRs 3,56,200Rs 3,92,600
VerdictNew regime saves Rs 36,400 even with maximum deductions

Key Deductions and Exemptions — New vs Old Regime

Deduction/ExemptionNew RegimeOld RegimeMax Amount
Standard Deduction (Salaried)✅ Rs 75,000✅ Rs 50,000As stated
Section 80C (PF, PPF, ELSS, LIC, Home loan principal)❌ Not allowed✅ AllowedRs 1,50,000
Section 80D (Health insurance premium)❌ Not allowed✅ AllowedRs 25,000 (Rs 50,000 for senior citizen)
Home Loan Interest Section 24(b)❌ Not allowed✅ AllowedRs 2,00,000
HRA Exemption❌ Not allowed✅ AllowedActual HRA or formula
NPS Employer Contribution 80CCD(2)✅ Allowed (14%)✅ Allowed (10%)14% of basic in new regime
LTA (Leave Travel Allowance)❌ Not allowed✅ AllowedActual travel cost
Section 80E (Education loan interest)❌ Not allowed✅ AllowedUnlimited
Section 80G (Donations)❌ Not allowed✅ AllowedVaries

NRI and Gulf Malayalee Tax Guide 2026

Gulf Malayalees need to understand a few critical tax rules that apply to their specific situation:

  • NRI status: If you spent less than 182 days in India in FY 2025-26 — you are an NRI. Only Indian-sourced income is taxable in India.
  • NRE Fixed Deposit interest: Completely tax-free in India regardless of amount — no TDS, no declaration needed. This remains one of the best legal tax-free investments.
  • NRO account interest: Taxable in India at 30% flat rate — TDS deducted by bank automatically.
  • Gulf salary: Money earned in UAE, Saudi Arabia, Oman etc — not taxable in India while you are NRI.
  • Rental income from Kerala property: Taxable in India even as NRI — file ITR if rental income exceeds basic exemption limit.
  • DTAA benefit: India has Double Taxation Avoidance Agreements with UAE and most Gulf countries — if tax paid in Gulf, not taxed again in India.

How to Calculate Your Income Tax — Step by Step

  1. Calculate your gross total income — salary + rent + FD interest + capital gains
  2. Subtract standard deduction (Rs 75,000 new regime, Rs 50,000 old regime)
  3. For old regime — subtract eligible deductions: 80C, 80D, HRA, home loan interest
  4. Apply income tax slab rates to remaining taxable income
  5. Check if Section 87A rebate applies — taxable income below Rs 12L (new regime) or Rs 5L (old regime)
  6. Add surcharge if income above Rs 50 lakh: 10% surcharge above Rs 50L, 15% above Rs 1 crore
  7. Add Health and Education Cess: 4% on (tax + surcharge)
  8. Total = your final income tax liability

Income tax slab data sourced from the Income Tax Department of India official website and Finance Act 2026. NRI tax rules referenced from RBI FEMA guidelines. Consult a CA for personalised tax advice.

When to Choose Old Regime — Specific Situations

The old regime still wins in these specific Kerala situations:

  • Large home loan in Kochi or Thrissur: If you pay Rs 2L+ in home loan interest AND have full 80C AND HRA — old regime may save Rs 30,000-80,000
  • Senior citizens with significant FD income: Old regime has Rs 3L basic exemption vs Rs 4L in new — check your specific case
  • Income above Rs 30L with maximum deductions: At very high income with all deductions maxed — old regime sometimes wins
  • Business income with many deductions: Self-employed with business expenses — old regime allows more deductions
What is the income tax for Rs 12 lakh salary in India 2026-27?

Under the new tax regime for FY 2026-27, a salaried individual with Rs 12 lakh annual income pays zero income tax. After the standard deduction of Rs 75,000, taxable income is Rs 11.25 lakh which is below Rs 12 lakh. The Section 87A rebate covers the full tax liability making it zero. Under the old regime with typical deductions of Rs 3.5 lakh, taxable income is also low enough for zero tax. The new regime is recommended as it is simpler and gives the same zero tax result.

Which is better new or old tax regime in India 2026?

For most salaried individuals in India in 2026-27, the new tax regime is better. The new regime offers zero tax on income up to Rs 12 lakh after standard deduction, simpler calculation with no complex deduction tracking, and Rs 75,000 standard deduction versus Rs 50,000 in old regime. The old regime is only better if your total deductions including home loan interest, HRA, Section 80C and 80D exceed Rs 3.75 lakh annually. Calculate both using actual figures before choosing.

What is the income tax slab for FY 2026-27?

Under the new tax regime for FY 2026-27: income up to Rs 4 lakh is nil, Rs 4-8 lakh taxed at 5%, Rs 8-12 lakh at 10%, Rs 12-16 lakh at 15%, Rs 16-20 lakh at 20%, Rs 20-24 lakh at 25%, and above Rs 24 lakh at 30%. The Section 87A rebate makes tax zero for taxable income up to Rs 12 lakh. Standard deduction of Rs 75,000 is available for salaried employees, effectively making gross salary up to Rs 12.75 lakh tax-free.

Is NRE Fixed Deposit interest taxable in India 2026?

No. Interest earned on NRE Fixed Deposits is completely exempt from Indian income tax regardless of the amount. No TDS is deducted by the bank and NRI account holders do not need to declare NRE interest in their Indian ITR. This makes NRE FD one of the most tax-efficient investments available to Gulf Malayalees. Note that NRO account interest is taxable at 30% TDS — this is different from NRE accounts.

How much income tax do I pay on Rs 50,000 monthly salary in India?

On Rs 50,000 monthly salary meaning Rs 6 lakh annual salary under the new tax regime in FY 2026-27, your income tax is zero. After Rs 75,000 standard deduction, taxable income is Rs 5.25 lakh. Tax on this is Rs 26,250 which is fully covered by the Section 87A rebate. Final tax liability is zero plus zero cess. Under the old regime with standard deduction and basic 80C deductions, the result is also zero tax. New regime is simpler and recommended.

What is Section 87A rebate in income tax 2026?

Section 87A is an income tax rebate available under both new and old tax regimes. Under the new regime for FY 2026-27, taxpayers with taxable income up to Rs 12 lakh get a full rebate meaning tax liability becomes zero. Under the old regime, the rebate covers tax up to Rs 12,500 for taxable income up to Rs 5 lakh. The new regime Section 87A rebate is significantly more generous and benefits middle-income earners most. Note that this rebate does not apply to special rate income like long-term capital gains.

Should I switch from old regime to new regime in 2026?

For salaried individuals, yes in most cases. The new regime is now the default and offers zero tax up to Rs 12 lakh income plus simpler compliance. Switch to new regime if your deductions are below Rs 3.75 lakh annually. Stay in old regime if you have a large home loan with Rs 2 lakh interest deduction plus full 80C plus HRA plus 80D totalling above Rs 4-5 lakh. Salaried employees can switch regimes every year — choose whichever is better for that financial year when filing ITR.

What is the income tax for Gulf Malayalee NRI in India 2026?

Gulf Malayalees who qualify as NRI spending less than 182 days in India in FY 2025-26 are taxed only on India-sourced income. NRE Fixed Deposit interest is fully tax-free. Rental income from Kerala property is taxable. Gulf salary earned abroad is not taxable in India. NRO account interest is taxable at 30% flat rate. India has DTAA with UAE and most Gulf countries preventing double taxation. If you returned to India and became resident in FY 2026-27, your full global income including Gulf salary earned after return is taxable.

📋 Disclaimer: This article is for informational purposes only and does not constitute financial, tax or legal advice. Interest rates, fees and product features mentioned are subject to change. Verify current rates directly with the respective bank or financial institution before making decisions. Consult a SEBI-registered financial advisor or Chartered Accountant for personalised advice.
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Guide by Robins Antony, Digital Finance Writer, Webova Soft, Changanacherry, Kerala. Income tax information sourced from Income Tax Department India and Finance Act 2026 as of September 2026. Tax laws change — consult a chartered accountant for personalized advice. This is for informational purposes only and not financial or tax advice.

Robins Antony
Robins Antony
Digital Marketing Expert | Founder, Webova Soft
With 18 years of experience in software development and digital marketing, Robins founded Webova Soft in 2014. On Adme Online, he simplifies banking, government services, and internet tips for Kerala and Gulf Malayalee audiences. Expertise: Banking guides | Local SEO | Web Design | Online Safety
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