Every year the same panic hits: old regime or new regime? People pick one at random, or copy what a colleague did, and quietly overpay tax for years. The choice is not complicated once you understand what each regime is actually trading. Here is the honest breakdown for FY 2025-26.
The core trade-off in one line
The old regime gives you higher tax rates but lets you subtract a long list of deductions and exemptions. The new regime gives you lower tax rates and a bigger standard deduction, but takes away almost all the other deductions. That is the entire decision: do your deductions save you more than the new regime's lower rates would?
The takeaway
Rule of thumb: if you aggressively claim deductions (80C, home loan interest, HRA, 80D), the old regime can win. If you barely claim anything, the new regime almost always wins. Everyone else needs to actually run the numbers.
The new regime (now the default)
The new regime is the default option, and for most salaried people it is the simpler and cheaper one. Its key features for FY 2025-26:
- A standard deduction of ₹75,000 for salaried individuals.
- Lower slab rates than the old regime.
- A rebate that makes income up to ₹12,00,000 of taxable income effectively tax-free (₹12,75,000 gross for the salaried, after the standard deduction).
- Almost no other deductions — no 80C, no HRA exemption, no home loan interest on a self-occupied house.
In plain terms: if your taxable income after the ₹75,000 standard deduction is ₹12,00,000 or less, you pay effectively zero tax under the new regime. That single feature makes it unbeatable for a huge slice of earners.
The old regime (deduction-heavy)
The old regime rewards people who genuinely spend or invest in tax-favoured ways. The big levers:
- Section 80C: up to ₹1,50,000 for EPF, PPF, ELSS, life insurance premiums, principal on a home loan, and more.
- Section 80D: health insurance premiums for you and your parents.
- HRA exemption: often large if you pay real rent in a metro.
- Home loan interest: up to ₹2,00,000 on a self-occupied property under Section 24(b).
- Its own standard deduction of ₹50,000 for salaried individuals.
The catch is that you only benefit if you actually incur these. Claiming a fake rent receipt or buying a bad insurance policy just to save tax usually costs you more than it saves.
Worked example 1: the minimal-deduction earner
Riya earns ₹12,00,000 a year and claims almost nothing — no home loan, no HRA, a small 80C from her EPF. Under the new regime, her standard deduction of ₹75,000 brings taxable income to ₹11,25,000, and the rebate wipes her tax to effectively zero. To even match that under the old regime she would need to manufacture a huge pile of deductions she does not have. For Riya, the new regime is a landslide.
Worked example 2: the deduction-heavy earner
Arjun earns ₹18,00,000, pays ₹2,00,000 in home loan interest, maxes his ₹1,50,000 80C, claims ₹25,000 under 80D, and gets a meaningful HRA exemption because he rents in Mumbai. Stack those up and his old-regime deductions can total well over ₹5,00,000, dragging his taxable income far below the new regime's. For Arjun, running the numbers usually tips the old regime ahead — sometimes by a lot.
The takeaway
Do not choose based on vibes. Enter your real income and deductions into a calculator, compute the tax both ways, and pick the smaller number. It takes five minutes and can save you tens of thousands.
How to actually decide
- 1.Add up the deductions you genuinely claim — 80C, 80D, HRA, home loan interest.
- 2.Calculate your tax under both regimes for your real income.
- 3.Pick whichever leaves you with more money. That is the whole exercise.
- 4.Salaried people can switch regimes each year, so re-check when your income or deductions change.
One last honest note: do not let the tax tail wag the investment dog. A ₹1.5 lakh 80C investment is only worth it if it is a good investment on its own — a PPF or ELSS you would happily hold anyway. Never buy a bad product just to shave a little tax.