The choice between the old vs new tax regime for FY 2025-26 is no longer a one-page comparison; it now turns on at least nine variables ranging from HRA and 80C to capital gains and the standard deduction. The Finance Act 2024 made the new regime under Section 115BAC the default, lifted the standard deduction to Rs 75,000 for salaried filers under the new regime, and widened the new-regime slabs. The old regime is still available as an opt-out, but every salaried taxpayer now has to actively choose it rather than land in it. This article is educational and not tax advice; confirm specific numbers with a chartered accountant before filing.
The decision is not the same as it was in FY 2023-24. For most salaried filers without large 80C, 80D, HRA, or home-loan interest claims, the new regime now wins outright. For filers with a strong deduction stack, the old regime can still produce a lower tax. This cheat sheet walks through every decision point a salaried Indian filer faces, with the income bands where switching actually pays off and the documentation each route requires.
The structural change you need to understand first
The new tax regime under Section 115BAC is now the default for individual and HUF filers from FY 2023-24 onwards, and the slab structure for FY 2025-26 starts the 5 percent slab at Rs 3 lakh, the 10 percent slab at Rs 7 lakh, and rises through 15, 20, and 30 percent at Rs 10, Rs 12, and Rs 15 lakh per the Income Tax Department’s published rate card. The standard deduction of Rs 75,000 and a Section 87A rebate that fully extinguishes tax up to taxable income of Rs 7 lakh are the two big sweeteners for salaried filers.
The old regime retains its slabs (5 percent above Rs 2.5 lakh, 20 percent above Rs 5 lakh, 30 percent above Rs 10 lakh) and the full deduction menu: 80C up to Rs 1.5 lakh, 80CCD(1B) up to Rs 50,000 for NPS, 80D for health insurance, HRA exemption under Section 10(13A), home-loan interest under Section 24, and the entire menu of 80G, 80E, 80EE and similar lesser-known sections. The Section 87A rebate in the old regime extinguishes tax up to taxable income of Rs 5 lakh.
The decision rule is straightforward in concept: if the total of your eligible deductions and exemptions under the old regime exceeds the slab advantage of the new regime, opt for the old regime. The hard part is computing both sides accurately. For a recap of the rate-card details, see Union Budget 2025 Tax Changes.
Decision point 1: Salary, standard deduction, and the simple breakeven
For a pure-salary filer with no other income and no large deductions, the new regime wins below roughly Rs 7.5 lakh of gross salary because the Section 87A rebate of up to Rs 25,000 plus the Rs 75,000 standard deduction effectively makes tax liability zero up to Rs 7.75 lakh. The old regime, by contrast, only zeros out at Rs 5 lakh of taxable income, equivalent to about Rs 5.5 lakh of gross salary after standard deduction.
Above the rebate threshold, the comparison depends on what deductions you can claim. A useful rule of thumb is that the new regime is hard to beat unless your total old-regime deductions (excluding standard deduction, which both regimes now allow) exceed roughly Rs 3.5 to 4 lakh per year. Below that threshold the new regime almost always wins; above it the old regime usually wins, with the crossover band depending on your exact income level.
Decision point 2: HRA and the metro-city rent test
HRA exemption under Section 10(13A) is available only in the old regime. The exemption is the least of three: actual HRA received, 50 percent of basic salary in metro cities (40 percent elsewhere), and actual rent paid minus 10 percent of basic salary. For a salaried filer in Mumbai, Delhi, Chennai, or Kolkata paying genuine rent of Rs 30,000 to Rs 50,000 a month, the HRA exemption alone can run to Rs 2 to 4 lakh per year, which materially shifts the regime calculation.
The new regime does not allow HRA exemption. If you live in your own home or with parents without paying genuine rent, the HRA decision drops out and the new regime usually wins. If you pay a substantial metro-city rent and your employer structures HRA into your CTC, the old regime gains a large advantage that often more than offsets the new-regime slab benefit.
Decision point 3: 80C, NPS, and the deduction stack
The 80C ceiling of Rs 1.5 lakh covers EPF, PPF, ELSS, life insurance premiums, tuition fees for two children, principal repayment on a home loan, and a range of small-savings instruments. The new regime disallows the 80C deduction in full. Most salaried filers contribute enough to EPF and other allowable items to hit the Rs 1.5 lakh ceiling without active planning, so 80C is effectively a free Rs 1.5 lakh deduction for almost every old-regime filer.
Section 80CCD(1B) allows an additional Rs 50,000 deduction for NPS Tier 1 contributions over and above the 80C ceiling. This is available only in the old regime. Section 80CCD(2), which covers the employer’s NPS contribution up to 14 percent of basic salary for central-government employees and 10 percent for others, is available in both regimes and is a key reason many corporate employers now offer NPS as a salary component. For more on stacking these, see Tax Saving Beyond 80C India.
Decision point 4: Home loan interest and Section 24
Section 24(b) allows a deduction of up to Rs 2 lakh per year on the interest paid on a home loan for a self-occupied property. This deduction is available only in the old regime. For a borrower with a Rs 50 lakh home loan in the first few years of the EMI schedule, the interest component easily exceeds the Rs 2 lakh ceiling, making this a fully utilised deduction.
For a let-out property, the entire interest paid is deductible against rental income, subject to a Rs 2 lakh limit on loss that can be set off against other heads of income. The new regime preserves the interest deduction for let-out properties under Section 24 but does not allow the Rs 2 lakh limit on self-occupied properties to be claimed against other income. A home-loan borrower with a self-occupied house in the early years of the loan should run the comparison carefully.
Decision point 5: 80D, 80G, and the smaller deductions
Section 80D covers health insurance premiums up to Rs 25,000 for self, spouse, and dependent children, plus another Rs 25,000 (Rs 50,000 if senior citizens) for parents. Total 80D can therefore reach Rs 75,000 in households where parents are senior citizens, all of which is available only in the old regime. Preventive health check-up expenses up to Rs 5,000 are included within the same ceiling.
Section 80G (donations), 80E (education-loan interest), 80EEA (interest on affordable home loans), and a handful of other niche deductions are all old-regime-only. Individually these are small, but a filer with a substantial education-loan interest payment or a high charitable-giving pattern can stack them into a meaningful number. The new regime simplifies filing by eliminating all of these but pays for that simplification through a higher taxable base.
Decision point 6: Capital gains and the regime that does not change them
Capital gains tax rates are governed by Sections 111A, 112, and 112A and are independent of your choice between old and new regime. STCG on listed equity is 20 percent (up from 15 percent after the July 2024 Finance Act change), LTCG on listed equity is 12.5 percent above the Rs 1.25 lakh annual exemption, and debt-mutual-fund gains are taxed at slab rates if purchased after April 2023. Switching regimes does not change these rates.
What does change is the slab rate that applies to debt-fund STCG and other slab-rate gains. If your salary income is in a lower slab under the new regime, slab-rate capital gains also benefit. Filers with significant capital gains income should run the comparison on total income rather than salary alone. For a deeper treatment, see Capital Gains Tax 2026 India.
The income-band cheat sheet
- Below Rs 7.5 lakh gross salary: New regime almost always wins because the rebate plus standard deduction zeros out tax.
- Rs 7.5 lakh to Rs 12 lakh: Crossover band. New regime wins if total deductions are below Rs 2 to 2.5 lakh; old regime wins above that threshold.
- Rs 12 lakh to Rs 20 lakh: Crossover band shifts higher. New regime wins if total deductions are below Rs 3.5 lakh; old regime wins above that.
- Above Rs 20 lakh: Old regime usually wins if the filer has any combination of HRA, home-loan interest, full 80C, and 80CCD(1B). New regime is competitive only for filers with no deductions at all.
These bands are approximate and ignore surcharge, which kicks in above Rs 50 lakh and changes the comparison at the top. The official slab tables published by the Income Tax Department remain the authoritative source for the current year.
How to actually switch regimes and what locks you in
Salaried filers can switch between the old and new regime every year. The choice is exercised through the ITR form: ITR-1 and ITR-2 carry a checkbox to opt out of the new regime, and the absence of the checkbox keeps you in the default new regime. Filing a belated return locks you into the new regime for that assessment year regardless of which would have been better. The deadline therefore matters more than it did under the previous structure.
Filers with income from business or profession (those filing ITR-3) face a one-time switch back rule: once they opt for the new regime and later switch back to the old, they cannot re-elect the new regime except in very limited circumstances. Salaried filers without business income do not face this constraint and can switch annually based on which regime produces the lower tax.
Frequently Asked Questions About Old vs New Tax Regime
Can I switch regimes every year as a salaried employee?
Yes. Salaried filers without business or professional income can choose between the old and new regime every assessment year. The choice is made in the ITR form by ticking or leaving blank the Section 115BAC opt-out checkbox. Belated returns are locked into the default new regime, so file by the original due date if you want to exercise the old-regime option. The one-time lock-in rule for switching back applies only to filers with business income under ITR-3 or ITR-4.
Does the standard deduction apply in both regimes?
Yes. The standard deduction of Rs 50,000 in the old regime and Rs 75,000 in the new regime is available to salaried employees and pensioners in both regimes from FY 2023-24 onwards. The Rs 75,000 figure under the new regime was raised from Rs 50,000 by the Finance Act 2024. The deduction is automatic in salary computation and does not require any specific election; both regimes apply it before slab rates are computed.
If my employer deducts TDS using one regime, can I switch at ITR time?
Yes. The regime declaration you give your employer for TDS purposes is provisional and does not bind you to the same regime at ITR time. You can switch when filing the return, and the difference in tax (either refund or additional liability) is computed against the TDS already deducted. The TDS itself is creditable in either case. The practical risk is a large additional outflow at filing if you opted into a higher-tax regime for TDS but the lower-tax regime applies at ITR computation.
Is NPS Tier 1 worth contributing in the new regime?
The Rs 50,000 deduction under Section 80CCD(1B) is not available in the new regime, so the tax-saving motive for self-contributions disappears. The employer contribution under Section 80CCD(2), up to 14 percent of basic salary for central-government employees and 10 percent for others, remains deductible in both regimes. For new-regime filers, NPS Tier 1 is most attractive as an employer-contribution route. Self-contributions still build retirement corpus but lose the headline tax break.
How does the surcharge differ between the two regimes?
The surcharge slabs are the same in both regimes (10 percent above Rs 50 lakh, 15 percent above Rs 1 crore, 25 percent above Rs 2 crore), but the new regime caps the top surcharge at 25 percent instead of the 37 percent that previously applied at very high incomes. This makes the new regime materially more attractive for filers with taxable income above Rs 5 crore. Below the surcharge thresholds, the slab differences dominate the regime decision.
Does the regime choice affect my home loan, HRA, or EPF?
The regime choice does not change your eligibility for these benefits at the underlying transaction level; it only changes the tax deduction you can claim. The EPF contribution itself continues; only the 80C deduction on the employee contribution is lost in the new regime. HRA continues to be paid by the employer; only the Section 10(13A) exemption is lost. Home-loan repayment continues per the EMI schedule; only the Section 24 interest deduction is lost on self-occupied property.
