Income Tax Calculator India FY 2025-26: New Slabs, ₹12 Lakh Rebate & Examples

Understanding Income Tax in India

Income Tax is a direct tax paid to the Indian government on income earned by individuals and businesses. Key points:

• Mandatory for income above ₹2.5 - 3 lakh per year (depends on age/status)
• Divided into slabs - higher income, higher tax rate
• Different slabs for different age groups
• Two tax regimes: Old and New (New regime is default since Budget 2023, with big cuts in Budget 2025)

Income Tax Slabs FY 2025-26 (New Regime)

Budget 2025 made income up to ₹12 lakh effectively tax-free under the new regime, thanks to the enhanced Section 87A rebate (₹12.75 lakh for salaried taxpayers after the ₹75,000 standard deduction). The new regime offers lower rates but fewer deductions — most people without large deductions now save more with it.

For Individuals (Age < 60)

Note: Due to the Section 87A rebate, anyone with taxable income up to ₹12,00,000 pays ₹0 tax under the new regime — the slab rates above only start to bite once you cross that threshold.

For Senior Citizens (Age 60-80)

• ₹0 - 5,00,000: No tax
• Above ₹5,00,000: Progressive rates up to 30%

For Super Senior Citizens (Age > 80)

• ₹0 - 10,00,000: No tax
• Above ₹10,00,000: Progressive rates up to 30%

Old Tax Regime vs New Tax Regime

The New Regime is the default. After Budget 2025's cuts (₹12 lakh tax-free), it now wins for most salaried taxpayers unless you claim large deductions (big home-loan interest, full 80C + 80D + HRA). Compare both:

Old Regime

• ✓ More deductions allowed (Section 80C, 80D, etc.)
• ✓ HRA exemption possible
• ✗ Higher tax rates
• ✗ Complex calculations

New Regime

• ✓ Lower tax rates
• ✓ Simpler calculation
• ✗ Fewer deductions
• ✗ No HRA exemption

Income Tax Calculation Example

Scenario: Mr. Sharma, age 35, annual income ₹20,00,000

Calculation Using New Regime (FY 2025-26):

Gross Salary: ₹20,00,000
Less: Standard Deduction: ₹75,000
Taxable Income: ₹19,25,000

- 0 to 4,00,000 @ 0% = ₹0
- 4,00,000 to 8,00,000 (4,00,000) @ 5% = ₹20,000
- 8,00,000 to 12,00,000 (4,00,000) @ 10% = ₹40,000
- 12,00,000 to 16,00,000 (4,00,000) @ 15% = ₹60,000
- 16,00,000 to 19,25,000 (3,25,000) @ 20% = ₹65,000
                                  ________________
Total Tax Before Cess: ₹1,85,000
Health & Education Cess (4%): ₹7,400
TOTAL TAX LIABILITY: ₹1,92,400
      

Calculation Using Old Regime (with ₹2 lakh deductions):

Gross Income: ₹20,00,000
Less: Standard Deduction + 80C/80D etc.: ₹2,00,000
Taxable Income: ₹18,00,000

Tax on ₹18,00,000 (old slabs): ₹3,52,500
Health & Education Cess (4%): ₹14,100
TOTAL TAX LIABILITY: ₹3,66,600

Difference: You save ₹1,74,200 with the New Regime!
(Note: someone with very large deductions — e.g. big home-loan interest — may still come out ahead on the Old Regime. Always compare both.)
      

Major Income Tax Deductions (Old Regime)

Section 80C (Up to ₹1,50,000)

• PPF (Public Provident Fund) contributions
• Life Insurance premiums
• Mutual Fund investments (ELSS)
• Tuition fees for children

Section 80D (Medical Insurance)

• Health insurance premiums: Up to ₹25,000
• Senior parents: Up to ₹50,000

Section 80E (Education Loan Interest)

• Interest on education loan: No limit
• For self or dependents

HRA Exemption (Old Regime Only)

• Up to 40-50% of salary (depends on city)
• Must pay rent and not own property
• Needs landlord agreement & receipts

How to Calculate Your Income Tax

Step 1: Calculate Gross Income

Salary + Rental Income + Investment Returns + Other Income

Step 2: Claim Deductions (Old Regime)

80C, 80D, 80E, HRA, etc. (New regime has no deductions)

Step 3: Calculate Taxable Income

Gross Income - Deductions = Taxable Income

Step 4: Apply Tax Slab Rates

Use the slab rates to calculate exact tax

Step 5: Add Health & Education Cess

Add 4% on top of calculated tax

Our free income tax calculator does all this instantly!

Who Must File Income Tax Return (ITR)?

• Income above slab threshold
• Income from multiple sources
• Claimed deductions (80C, 80D, etc.)
• Self-employed individuals
• Business owners
• Freelancers with income > ₹2.5 lakhs

Common Income Tax Mistakes

Mistake 1: Not Filing ITR

Even if tax is zero, filing ITR builds financial credibility for loans/credit.

Mistake 2: Wrong Deduction Claims

Claiming ineligible deductions invites IT notices. Keep proper documentation.

Mistake 3: Ignoring Cess

Many forget to add 4% Health & Education Cess on tax calculated.

Related Calculators

• HRA Calculator - Calculate your HRA exemption
• EPF Calculator - Plan your employee provident fund
• EMI Calculator - Calculate loan payments

FAQ

Q: Should I choose new or old tax regime?

A: Calculate both and choose the one with lower tax. New regime is usually better for salaried employees without major deductions.

Q: When is ITR filing deadline?

A: July 31 of the following assessment year (e.g., July 31, 2026 for FY 2025-26), unless the government extends it.

Q: Can I claim HRA in new regime?

A: No. HRA is only allowed in the old regime.

Summary

Income tax in India is progressive, meaning higher income attracts higher tax rates. Under FY 2025-26 rules (Budget 2025), the new regime makes income up to ₹12 lakh effectively tax-free and is the better choice for most salaried taxpayers, while the old regime still helps those with large deductions. Use our free income tax calculator to compare both regimes and see your exact liability. For complex scenarios, consult a Chartered Accountant.