Old vs New Tax Regime: Which Should You Choose on a ₹8–15 Lakh Salary?

Old vs New Tax Regime: Which Should You Choose on a ₹8–15 Lakh Salary?

This post is for educational purposes only and does not constitute tax or financial advice. For personalised guidance, consult a chartered accountant.

Every year between April and July, millions of salaried Indians face the same question: which tax regime should I choose? The answer sounds like it should be simple. It usually isn’t — because the right choice depends on your specific salary, your investments, and your living situation. This guide cuts through the confusion and gives you a clear framework to decide.

The basic difference

India’s income tax system currently offers two options for salaried professionals filing their returns.

New regime (default)
Lower slab rates. Very few deductions allowed. Tax is calculated on a figure close to your gross salary.
Standard deduction: ₹75,000
Zero tax up to ₹12.75 lakh
Old regime (opt-in)
Higher slab rates but lets you significantly reduce taxable income through deductions and exemptions.
Standard deduction: ₹50,000
80C, HRA, 80D, home loan available

The decision is this: do your deductions save you more than the new regime’s lower rates? If yes, the old regime wins. If no, the new regime wins.

What the slabs look like (FY 2025-26)

The new regime has gentler rates across all income levels, especially in the ₹8–15 lakh range. The old regime starts taxing at 20% above ₹5 lakh, which is where the gap widens.

Annual income New regime rate Old regime rate
Up to ₹2.5 lakh Nil Nil
₹2.5 – ₹4 lakh Nil 5%
₹4 – ₹8 lakh 5% 5% / 20%
₹8 – ₹12 lakh 10% 20%
₹12 – ₹15 lakh 15% 30%
Above ₹15 lakh 20–30% 30%

There is one major additional benefit in the new regime: if your taxable income is ₹12 lakh or below, the rebate under Section 87A brings your total tax to zero. For salaried individuals, the ₹75,000 standard deduction extends this limit to ₹12.75 lakh — meaning a large share of salaried professionals in India pay no tax at all under the new regime.

What deductions are available in each regime?

This is where the practical decision happens. The more deductions you legitimately claim, the more attractive the old regime becomes despite its higher rates.

Old regime — allowed
Section 80C up to ₹1.5 lakh (PPF, ELSS mutual funds, LIC, EPF)
Section 80D — health insurance premiums
HRA exemption if you pay rent
Home loan interest under Section 24(b)
Standard deduction ₹50,000
New regime — not allowed
Section 80C investments
Section 80D health insurance
HRA exemption
Home loan interest (self-occupied)
Most other exemptions

The new regime does allow a few deductions: the ₹75,000 standard deduction, employer NPS contributions under Section 80CCD(2), and home loan interest on let-out (not self-occupied) property.

Two real examples

Let us work through two realistic scenarios to make this concrete.

Example 1 — Riya, 27, salary ₹10 lakh, renting in Bengaluru, minimal investments
Gross salary ₹10,00,000
Standard deduction (new regime) − ₹75,000
Taxable income ₹9,25,000
Tax under new regime (Section 87A rebate applies) ₹0
The new regime is clearly better for Riya. Without large deductions, the old regime’s 20% rate above ₹5 lakh would result in a meaningful tax bill.
Example 2 — Vikram, 38, salary ₹14 lakh, home loan, maximises 80C and 80D
Gross salary ₹14,00,000
Standard deduction − ₹50,000
80C investments (PPF, ELSS, LIC) − ₹1,50,000
80D health insurance premiums − ₹25,000
Home loan interest (Section 24b) − ₹2,00,000
Taxable income (old regime) ₹9,75,000
The old regime saves Vikram considerably more. His ₹4.25 lakh in total deductions brings his taxable income well below what the new regime would show on the same salary.

How to decide for your situation

You don’t need to run complex calculations to get a first answer. Use this as a starting filter.

Quick guide — which regime suits you?
New regime Your salary is below ₹12.75 lakh and you have few deductions. You pay zero tax.
New regime You haven’t invested in 80C instruments, don’t pay rent, and have no home loan.
Old regime Your total deductions (80C + 80D + HRA + home loan interest) exceed ₹3.5–4 lakh.
Old regime You have a home loan on a self-occupied property and maximise your 80C investments every year.
Calculate both Your deductions are moderate (₹2–3.5 lakh). The answer isn’t obvious — run the numbers for your specific salary.

How to actually make the switch

1
Calculate your total eligible deductions

Add up your 80C investments, health insurance premiums, rent paid (for HRA), and home loan interest. This single number drives the decision.

2
Use a free tax calculator

Platforms like ClearTax and Groww offer free calculators that compute your liability under both regimes side by side. It takes under two minutes with your Form 16 or salary slip handy.

3
Inform your employer at the start of the year

Your employer needs your regime choice early in the financial year (usually April) to deduct the correct TDS from your salary. If you miss this, you can still correct it when filing your ITR.

4
Review the choice every year

A new home loan, a change in rent, higher insurance premiums — these shift the calculation. Don’t assume last year’s choice is automatically correct this year.

Can you switch between regimes every year?

Yes — if your income is from salary only (no business income), you can choose between the old and new regime each year when filing your ITR. The new regime is the default, so if you want the old regime, you need to actively opt for it while filing. If you have business income, the rules are more restrictive — consult a CA before making any changes.

The bottom line

For most younger salaried professionals with limited deductions — especially those earning below ₹12.75 lakh — the new regime offers zero tax liability and simplicity. For those with established financial commitments like a home loan, regular 80C investments, and family health insurance, the old regime often wins despite the higher slab rates.

Neither regime is universally better. Run the numbers for your specific situation once a year, and choose accordingly. That is the only right answer. Once you know your tax outgo, the next step is building a monthly budget around your take-home salary so your savings and investments stay on track.

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