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The new regime has lower rates and almost no deductions; the old regime keeps the deductions and the higher rates. Enter the year's figures once and the tool runs both — the difference is what your deductions are worth.

Gross salary₹18.00 L
₹
Other income₹50,000
₹
Interest, rent, etc.
Age on 31 March
80C deductions₹1.50 L
₹
EPF, PPF, ELSS, tuition (max ₹1.5L)
80D Health insurance₹25,000
₹
Self & family (₹25k) / parents (₹50k)
80CCD(1B) NPS (self)₹50,000
₹
Own contribution (max ₹50k)
80CCD(2) NPS (employer)
₹
Allowed in both regimes
24(b) Home loan interest
₹
Self-occupied house (max ₹2L)
HRA exemption
₹
Old regime only
Other old-regime deductions (80G, 80E, LTA, 80TTA…)
₹

RESULTS

New regime tax₹1,61,200taxable ₹17.75 L · rebate ₹0
Old regime tax₹2,96,400taxable ₹15.75 L
Save with new₹1,35,200
Effective tax rate8.7% (New) · 16.0% (Old)

Deductions worth more than ₹6,58,333 a year (over the standard deduction) make the old regime cheaper at this income; below that the new regime wins.

Tax deducted at source will be reconciled on the return; this is the year's liability, not the cash flow.

Line by line comparison

ItemOld regimeNew regime
Gross income₹18,50,000₹18,50,000
Standard deduction₹50,000₹75,000
Chapter VI-A and other deductions₹2,25,000₹0
Taxable income₹15,75,000₹17,75,000
Tax on slabs₹2,85,000₹1,55,000
Rebate u/s 87A₹0₹0
Surcharge₹0₹0
Cess 4%₹11,400₹6,200
Total tax₹2,96,400₹1,61,200

Assumptions & formula

FY 2026-27 (AY 2027-28) · slabs unchanged by Budget 2026 · checked 28 Oct 2026
New regime slabs: nil to ₹4 L, 5% to ₹8 L, 10% to ₹12 L, 15% to ₹16 L, 20% to ₹20 L, 25% to ₹24 L, 30% above; standard deduction ₹75,000; rebate u/s 87A up to ₹60,000 for taxable income up to ₹12 L (marginal relief just above it). Old regime slabs: nil to ₹2.5 L (₹3 L at age 60–79; ₹5 L at 80+), 5% to ₹5 L, 20% to ₹10 L, 30% above; standard deduction ₹50,000; rebate up to ₹12,500 for income up to ₹5 L. Surcharge 10 / 15 / 25 / 37% (25% in the new regime) above ₹50 L / ₹1 cr / ₹2 cr / ₹5 cr with marginal relief; cess 4%.
  • Salary income only (no capital gains, which are taxed at their own rates), resident individual.
  • 80D limit ₹25,000 (₹50,000 at age 60+); 80CCD(1B) ₹50,000; 24(b) ₹2 lakh on a self-occupied house; employer's NPS (80CCD(2)) is allowed in both regimes as entered.

Calculators are for information and planning. Outputs depend on the inputs and assumptions you enter and are not a recommendation to buy, sell or hold any security or product. Streetgains Technologies Private Limited is a SEBI Registered Research Analyst (INH000017082); it is not a loan provider, tax adviser or mutual fund distributor.