Income Tax in India: Old Regime vs New Regime Explained

Starting FY 2024-25, the new tax regime is the default for all taxpayers in India. But the old regime still exists and might save you more tax — depending on your deductions. Here’s how to decide.

The Two Tax Regimes

India currently offers two parallel income tax structures. You can choose between them each year (salaried individuals can switch annually; business owners are more restricted).

New Tax Regime (Default from FY 2024-25)

Income Slab	Tax Rate
Up to ₹3,00,000	Nil
₹3,00,001 - ₹7,00,000	5%
₹7,00,001 - ₹10,00,000	10%
₹10,00,001 - ₹12,00,000	15%
₹12,00,001 - ₹15,00,000	20%
Above ₹15,00,000	30%

Standard deduction: ₹75,000 (for salaried and pensioners)

Key feature: Lower slab rates, but almost no deductions or exemptions available.

Old Tax Regime (Optional)

Income Slab	Tax Rate
Up to ₹2,50,000	Nil
₹2,50,001 - ₹5,00,000	5%
₹5,00,001 - ₹10,00,000	20%
Above ₹10,00,000	30%

Standard deduction: ₹50,000

Key feature: Higher slab rates, but full access to all deductions and exemptions (80C, 80D, HRA, etc.).

Major Deductions Available (Old Regime Only)

Section	Deduction	Maximum
80C	PPF, ELSS, EPF, life insurance, tuition fees	₹1,50,000
80CCD(1B)	NPS additional	₹50,000
80D	Health insurance premium	₹25,000 - ₹1,00,000
24(b)	Home loan interest (self-occupied)	₹2,00,000
HRA	House Rent Allowance	Formula-based
80E	Education loan interest	No limit (for 8 years)
80G	Donations to eligible charities	50-100% of donation
80TTA	Savings account interest	₹10,000

When Is the Old Regime Better?

The old regime saves more tax when your total deductions are substantial. Here’s the breakeven analysis:

Approximate Breakeven Deductions Needed

Gross Income	Minimum Deductions Needed for Old Regime to Win
₹7.5 lakh	₹2.25 lakh+
₹10 lakh	₹2.75 lakh+
₹12.5 lakh	₹3.75 lakh+
₹15 lakh	₹4.25 lakh+
₹20 lakh	₹4.75 lakh+

Common Scenarios Where Old Regime Wins

1. Home loan + 80C exhausted: ₹2L home loan interest + ₹1.5L 80C + ₹50K NPS + ₹25K health insurance = ₹4.25L in deductions
2. HRA claim in metro cities: High HRA can add ₹1-3L in deductions
3. Multiple insurance policies + NPS + PPF: Stacking multiple deductions

When New Regime Wins

1. Few or no deductions — Living in own house (no HRA), minimal investments
2. Income below ₹7 lakh — Effectively zero tax in new regime (with rebate under 87A)
3. Simplicity preference — No need to track investments and proofs

Step-by-Step: How to Choose

1. Calculate gross income (salary + other income)
2. List all deductions you can realistically claim under the old regime
3. Calculate tax under both regimes (use an online calculator like ClearTax or Incometax.gov.in)
4. Compare and choose the one with lower tax
5. Inform your employer by submitting the declaration at the start of the financial year

Important Things to Know

• You can switch every year (salaried individuals) — you’re not locked in
• New regime is default — If you don’t explicitly choose, the new regime applies
• File ITR to switch — If you want the old regime, you must select it while filing your return or inform your employer
• Surcharge applies above ₹50 lakh income
• Health and education cess of 4% is added on top of tax in both regimes
• Section 87A rebate — In the new regime, income up to ₹7 lakh is effectively tax-free (₹25,000 rebate)

Pro Tips for Tax Planning

1. Start early — Don’t wait until March to make tax-saving investments
2. Use an SIP for ELSS — Spread your 80C investment across the year
3. Stack deductions — 80C (₹1.5L) + 80CCD(1B) (₹50K) + 80D (₹25-50K) + HRA + home loan = significant savings
4. Keep records — Maintain all investment proofs, premium receipts, and rent agreements
5. Review annually — Your optimal regime may change as your salary, rent, or investments change