Is the new regime compulsory?

No — you can choose old or new regime every year. New regime is default but you can opt for old.

Can I switch between regimes?

Salaried employees can switch every year. Business income earners can switch only once.

Old vs New Tax Regime 2024-25: Which Saves You More Money?

Quick Answer

Under the new tax regime (FY 2025-26), income up to Rs 12 lakh is effectively tax-free after the Section 87A rebate, with a Rs 75,000 standard deduction for salaried taxpayers. The old regime is generally better only if your total deductions (80C, HRA, home loan interest) exceed roughly Rs 4-4.5 lakh per year.

Old vs New Tax Regime: Complete Comparison for FY 2024-25

Choosing the wrong tax regime can cost you ₹20,000–₹1,00,000 or more annually. This guide helps you make the right decision based on your specific financial situation.

Tax Slabs: Side-by-Side Comparison

Old Tax Regime (still available, requires opting in):

Income Range

Tax Rate

|---|---|

Up to ₹2.5 lakh	Nil
₹2.5L – ₹5L	5%
₹5L – ₹10L	20%
Above ₹10L	30%

New Tax Regime (default from FY 2023-24 onwards):

Income Range

Tax Rate

|---|---|

Up to ₹3 lakh	Nil
₹3L – ₹7L	5%
₹7L – ₹10L	10%
₹10L – ₹12L	15%
₹12L – ₹15L	20%
Above ₹15L	30%

Surcharge (applicable on both regimes):

10% surcharge on tax if income ₹50L–₹1Cr
15% surcharge on tax if income ₹1Cr–₹2Cr
25% surcharge on tax if income above ₹2Cr (new regime caps surcharge at 25% vs 37% in old)

Health & Education Cess: 4% on total tax + surcharge in both regimes.

Key Features of New Tax Regime (FY 2024-25)

Budget 2024 made the new regime significantly more attractive:

Standard deduction: Increased from ₹50,000 to ₹75,000 for salaried individuals

Family pension deduction: Increased to ₹25,000 (from ₹15,000)

Rebate u/s 87A: Zero tax on total income up to ₹7 lakh (after standard deduction, effective tax-free threshold is ₹7.75 lakh for salaried)

Employer NPS contribution: Up to 14% of salary (increased from 10%) deductible under new regime

Deductions Available ONLY in Old Regime

Deduction

Section

Maximum Amount

|---|---|---|

LIC, PPF, ELSS, EPF, home loan principal	80C	₹1,50,000
Health insurance premium	80D	₹25,000 (₹50,000 for senior citizens)
HRA exemption	10(13A)	Actual as per formula
Leave travel allowance	10(5)	2 journeys per block of 4 years
Interest on home loan (self-occupied)	24(b)	₹2,00,000
Interest on home loan (let out)	24(b)	No limit
NPS self-contribution	80CCD(1B)	₹50,000 additional
Education loan interest	80E	No limit
Donations	80G	50–100% of donation
Savings account interest	80TTA	₹10,000

The Break-Even Calculation: Which Regime Wins?

The new regime wins when deductions are LOW. The old regime wins when deductions are HIGH.

Break-even deduction amount (approximate, income ₹10–15 lakh range): ₹3,00,000–₹3,75,000

If your total deductions (80C + 80D + HRA + home loan interest) exceed this threshold, stick with the old regime. If they're below, the new regime is better.

Worked Examples: Making the Right Choice

Case 1: Salaried, income ₹12 lakh, renting, no home loan

80C investments: ₹1.5 lakh (EPF + ELSS)
HRA exemption: ₹1.2 lakh (rent in non-metro)
80D: ₹25,000 (health insurance)
Total deductions: ₹2,95,000

Old regime tax: ~₹1,68,000

New regime tax: ~₹1,20,000 (after ₹75,000 standard deduction)

New regime saves ₹48,000 → Choose NEW regime

Case 2: Salaried, income ₹15 lakh, home loan, metro HRA

80C: ₹1.5 lakh
HRA exemption: ₹2.4 lakh (metro city)
Home loan interest: ₹2 lakh
80D: ₹25,000
80CCD(1B): ₹50,000
Total deductions: ₹6,40,000

Old regime taxable income: ₹15L - ₹50,000 (std) - ₹6.4L = ₹8.1L → Tax ~₹78,000

New regime taxable income: ₹15L - ₹75,000 (std) = ₹14.25L → Tax ~₹2,06,250

Old regime saves ₹1.28 lakh → Choose OLD regime

How to Switch Between Regimes

For salaried employees:

Declare regime choice to employer at the start of the financial year (for TDS calculation)
Can switch to the other regime when filing ITR (you're not bound by employer declaration)
Salaried employees can switch every year

For business owners and professionals:

Once old regime is exercised (in a year when you have business income), you can switch back to new regime only once in your lifetime
For individuals with business income, this is a critical, largely irreversible decision

ITR filing: Select the appropriate regime in your ITR form. If you miss the ITR deadline, the new regime is mandatorily applied (another reason to file on time).