New vs Old Tax Regime: Which Should You Choose in FY 2026-27?

Every year, salaried individuals and small business owners face the same question at the start of tax planning season: old regime or new regime? For FY 2026-27, this decision matters more than ever, because the new tax regime is now the default option — if you don’t actively choose otherwise, you’re automatically taxed under it.

This guide walks through both regimes, the numbers behind them, and which kind of taxpayer benefits from each.

A Quick Recap: Why Two Regimes Exist

The old tax regime is the traditional system most taxpayers grew up with — higher slab rates, but the ability to reduce taxable income through a long list of deductions and exemptions (Section 80C, 80D, HRA, LTA, home loan interest, and more).

The new tax regime, introduced to simplify compliance, offers lower slab rates but strips away most deductions and exemptions. The idea was to let taxpayers choose simplicity over optimization — but for many people, the new regime now offers genuine savings, not just convenience.

New Tax Regime Slabs for FY 2026-27

Under the new regime, income is taxed at progressively lower rates with wider slabs compared to the old regime, and a higher rebate threshold means many taxpayers with income up to a certain level pay no tax at all. The regime also retains the standard deduction for salaried taxpayers, which was extended to the new regime in recent years.

Key features of the new regime:

• Wider, lower-rate tax slabs
• Standard deduction available for salaried and pensioner taxpayers
• No deductions for 80C investments (PPF, ELSS, life insurance premiums), 80D (health insurance), HRA, or home loan interest on self-occupied property
• Employer’s NPS contribution under Section 80CCD(2) remains available
• Simpler return filing with fewer disclosures needed

Old Tax Regime: Still Relevant for Some

The old regime retains higher slab rates but allows taxpayers to claim:

• Section 80C deductions up to ₹1.5 lakh (PPF, ELSS, life insurance, principal repayment on home loan, etc.)
• Section 80D deductions for health insurance premiums
• HRA exemption for salaried individuals paying rent
• Home loan interest deduction up to ₹2 lakh under Section 24(b) for self-occupied property
• Various other deductions (80E for education loans, 80G for donations, etc.)

So, Which Regime Should You Pick?

There’s no universal answer — it depends entirely on how much you’re able to claim in deductions under the old regime. Here’s a practical way to think about it:

Choose the New Regime if:

• You don’t have a home loan or significant 80C investments
• You’re early in your career with fewer deduction-eligible expenses
• You prefer simplicity in filing and don’t want to track investment proofs
• You don’t pay substantial rent (i.e., limited HRA benefit)

Choose the Old Regime if:

• You have a home loan on a self-occupied property with meaningful interest outgo
• You fully utilize your 80C limit through PPF, ELSS, insurance, or provident fund contributions
• You pay significant rent and can claim HRA
• You have health insurance premiums and other eligible deductions adding up to a large total

A Practical Example

Consider a salaried individual with a gross income of ₹12 lakh per year.

Under the new regime: Tax is computed using the new slabs with the standard deduction applied, and no other deductions. The taxpayer benefits from lower rates but cannot reduce taxable income further.

Under the old regime: If this individual claims ₹1.5 lakh under 80C, ₹25,000 under 80D, and ₹2 lakh in home loan interest, taxable income drops meaningfully before the higher old-regime rates are applied.

In many such cases — where deductions exceed roughly ₹4-4.5 lakh combined — the old regime works out cheaper. Below that threshold, the new regime usually wins. The exact crossover point depends on your specific income level and which deductions apply, which is why a side-by-side calculation matters more than a general rule.

A Word of Caution on Defaults

Because the new regime is now the default, taxpayers who want to stick with the old regime must explicitly opt for it while filing their return (and, for those with business income, the option to switch back and forth is more restricted than for salaried individuals). Missing this step means you’re taxed under the new regime even if the old one would have saved you money.

How We Help

At KSRM Associates, our income tax planning service for FY 2026-27 includes:

• A side-by-side computation under both regimes based on your actual income and eligible deductions
• Recommendations on which regime to opt for, with the numbers to back it
• Guidance on structuring salary components (HRA, LTA) for maximum benefit if old regime is chosen
• Support with investment planning if old regime deductions are part of your strategy

Final Thoughts

The “right” regime isn’t a fixed choice — it changes based on your income, investments, and life stage. The only reliable way to know is to run the actual numbers under both systems before filing.

If you’d like our team to calculate which regime saves you more for FY 2026-27, reach out to KSRM Associates before you file your return.