The new tax regime remains the default option for FY 2025-26 (AY 2026-27) under Section 115BAC, but taxpayers retain flexibility to choose the old regime if it benefits them. According to the latest guidance from the Income Tax Department, salaried taxpayers can switch annually by selecting the opt-out option in their ITR form when filing returns. However, those with business or professional income face stricter rules - they must file Form 10-IEA before the due date (August 31, 2026 for non-audit filers) and can switch only once in their lifetime. The form must be filed online through the e-filing portal, with the acknowledgement number quoted in the ITR to complete the process. Once switched from the old regime to the new one, taxpayers generally cannot return to the old regime again, making the decision permanent unless business income ceases.
The new tax regime for FY 2025-26 (AY 2026-27) is the default option and offers significant benefits for most taxpayers. According to the latest analysis, income up to ₹12.75 lakh is completely tax-free due to the Section 87A rebate of up to ₹60,000, combined with the ₹75,000 standard deduction. This means a salaried person earning up to ₹12.75 lakh pays no tax under the new regime. The new regime features lower tax rates across all slabs, with nil tax on income up to ₹4 lakh, 5% on ₹4-8 lakh, 10% on ₹8-12 lakh, and 15% on ₹12-16 lakh. Above ₹24 lakh, the rate increases to 30%. The regime applies the same slabs for everyone, including senior citizens, with a ₹4 lakh basic exemption for all individuals, unlike the old regime's higher exemptions for older taxpayers. The new regime's key advantages include simplicity without requiring investment proofs, rent receipts, or insurance certificates, and the ability to keep money free instead of parking it in fixed tax-saving products.
The old tax regime maintains higher tax rates but provides substantial deduction benefits for taxpayers with specific financial situations. As reported, the old regime offers Section 80C deductions up to ₹1.5 lakh, health insurance deductions under Section 80D, HRA claims, home loan interest up to ₹2 lakh under Section 24(b), and an additional ₹50,000 NPS deduction under Section 80CCD(1B). The old regime's basic exemption is ₹3 lakh for taxpayers aged 60-80 and ₹5 lakh for those above 80. The old regime's Section 87A rebate covers income up to ₹5 lakh, with a ₹50,000 standard deduction for salaried individuals. However, the new regime removes most of these deductions, allowing only the ₹75,000 standard deduction, employer NPS contribution under Section 80CCD(2), family pension deduction, Agniveer Corpus Fund deduction, and interest on let-out property. The old regime allows the full set of deductions, including ₹1.5 lakh under Section 80C, ₹50,000 under Section 80CCD(1B) for NPS, ₹25,000 under Section 80D for health insurance, and ₹2 lakh under Section 24(b) for home loan interest.
At ₹20 lakh annual salary, the tax regime choice becomes more nuanced as taxpayers lose eligibility for the Section 87A rebate. According to ClearTax calculations, under the new regime, a salaried individual earning ₹20 lakh annually with standard deduction brings taxable income down to ₹19.25 lakh, resulting in total tax liability of ₹1,92,400 including 4% cess. The old regime, despite claiming popular deductions worth over ₹2 lakh including HRA exemption of ₹1 lakh, LTA exemption of ₹20,000, children's education allowance of ₹9,600, professional tax deduction of ₹2,400, Section 80C deduction of ₹1.5 lakh, additional NPS deduction of ₹50,000, and Section 80D deduction of ₹25,000, still results in tax liability of ₹3,02,016 including cess. This translates to a tax saving of ₹1,09,616 by opting for the new regime, even after foregoing substantial deductions. However, ClearTax analysis shows that the old regime becomes more beneficial when total deductions and exemptions exceed ₹7,08,330, making it relevant for taxpayers claiming substantial HRA exemptions, home loan interest deductions, higher NPS contributions, and other eligible tax benefits. The analysis emphasizes that filing on time is crucial - belated returns generally lock taxpayers into the new regime by default.
The choice between regimes depends significantly on income level and deduction availability. For early career individuals with small deductions, the new regime typically wins due to lower rates and the ₹12.75 lakh tax-free threshold. Mid-career professionals with home loans and families may benefit from the old regime if their deductions exceed the break-even point. High earners without large deductions generally prefer the new regime's lower rates, while senior citizens and pensioners may find the old regime advantageous due to higher basic exemptions and additional deductions. The break-even analysis shows that the new regime works for salaried employees earning up to ₹12.75 lakh (zero tax under the new regime), while the old regime becomes competitive above ₹15 lakh when deductions exceed approximately ₹5.9 lakh. The old regime tends to work better for taxpayers who pay home loan interest, claim significant HRA, invest the full ₹1.5 lakh under 80C, pay health insurance premiums, and contribute to NPS, as their deductions may cross the level where the old regime wins. Business owners must consider the once-in-a-lifetime rule carefully - moving to the old regime should be a strategic decision based on multiple years rather than short-term deductions. The new regime's simplicity and flexibility make it attractive for those who prefer not to lock money into specific tax-saving products.
Salaried employees with no business income can choose their regime annually while filing returns, simply selecting the preferred option in the ITR form. However, those with business income must file Form 10-IEA before the due date to opt for the old regime. Once switched from the old regime to the new one, taxpayers generally cannot return to the old regime again. The new regime caps surcharge at 25%, removing the 37% rate that applies in the old regime above ₹5 crore, with a 4% Health and Education Cess added on the tax plus surcharge. The old regime maintains the 37% top surcharge rate above ₹5 crore, making it more suitable for higher earners with substantial deductions. The new regime remains the default option for AY 2026-27, requiring active choice of the old regime for those who qualify. Filing on time is essential - belated returns can lock taxpayers into the new regime by default, potentially costing them the old regime's deduction benefits. The analysis warns that belated returns can lock taxpayers into the new regime by default, potentially costing them the old regime's deduction benefits.
