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🧾 Income Tax Engine — FY 2025-26

ANALYSE REGIME
Old regime basic exemption differs by age. New regime same for all.
Primary Salary Components
FY 25-26: Metro = Delhi · Mumbai · Kolkata · Chennai
Equity (Listed Shares / Equity MF)
LTCG: 12.5% above ₹1.25L exemption | STCG: 20% (Budget 2024)
Property (Immovable Assets)
Property LTCG: 12.5% without indexation (post July 23, 2024) | STCG at slab rate
Crypto & Digital Assets (VDA)
Flat 30% + 4% cess. No deductions except cost of acquisition.
Gold / Debt MF / Other
Post Apr-2023 acquisition: always slab rate regardless of holding period. Pre Apr-2023: 20%+indexation for >2yr holding (use CG Calculator).
Gold LTCG: 12.5% flat (post Budget 2024, no indexation). Sovereign Gold Bond maturity: EXEMPT. Physical gold >2yr = 12.5% LTCG.
Capital Losses — Current Year & Brought Forward
Short-term loss this year. Sets off equity STCG first, then other STCG, then LTCG.
Long-term loss this year. Sets off against LTCG only (any asset class).
Brought forward STCL from ITR (max 8 yrs). Sets off STCG then LTCG.
Brought forward LTCL from ITR (max 8 yrs). Sets off LTCG only.
⚠ VDA/Crypto losses: no set-off or carry-forward (§115BBH). Speculative losses: set off against speculative gains only.
Section 44AD — Presumptive Business (Turnover ≤ ₹3Cr/₹2Cr)
UPI/NEFT/RTGS/cheque → deemed profit 6%
Cash turnover → deemed profit 8%
§44AD: limit ₹3Cr if ≥95% receipts are digital; ₹2Cr otherwise. Deemed net profit auto-computed.
Family Pension Income
Auto-deduction applied: New regime: min(pension÷3, ₹25,000) · Old regime: min(pension÷3, ₹15,000)
Deemed profit: 50% of gross receipts (for eligible professionals)
Normal Business Income
30% standard deduction applied automatically. Use Full HP Engine below for detailed computation.
🏠 House Property — Full Engine (§22–27) Overrides simple mode above when active
Section 80C (Max ₹1,50,000)
80C cap is ₹1.5L including employee PF + ELSS + LIC + PPF + principal repayment
Section 80D — Health Insurance
NPS — National Pension System
80CCD(2) is over & above 80C and available in BOTH regimes (max 10% of Basic+DA)
Home Loan & Other Deductions
Section 80G — Donations (Category-wise)
Full 100% deduction, no qualifying limit
50% deduction, no qualifying limit cap
50% of donation, capped at 10% of Adjusted Gross Total Income. Cash donations > ₹2,000 not allowed.
Below 60 (80TTA): Savings bank interest ONLY — max ₹10,000. FD/RD/post-office term-deposit interest does NOT qualify for 80TTA.
Senior / Super-senior (80TTB): ALL deposit interest (savings + FD + RD + post-office) — max ₹50,000.
Old regime only, max ₹1.5L. Loan sanction 2019-22, stamp duty ≤ ₹45L. Over & above Sec 24(b).
ESOPs & RSUs (Listed Company)
Taxed as salary income at your slab rate. TDS deducted by employer at exercise.
📅 §112A Equity LTCG — Grandfathering (pre-Feb 2018 holdings)
Applies if you hold equity shares / equity-MF units acquired BEFORE 1 Feb 2018. Cost of acquisition = higher of: (a) actual purchase cost, (b) lower of: FMV on 31 Jan 2018 or sale consideration. Leave blank / zero if all holdings are post-Feb 2018.
Original cost of acquisition for holdings bought before 1 Feb 2018.
Highest quoted NAV/price on BSE/NSE on 31 Jan 2018. Refer broker statement or AMC records.
Grandfathered LTCG = Sale Proceeds − Deemed Cost. Enter ONLY proceeds for holdings acquired pre-Feb 2018. Post-Jul 23, 2024: rate = 12.5% (no indexation), ₹1.25L exemption. Grandfathered LTCG will be DEDUCTED from the Equity LTCG field above and recomputed using deemed cost.
Foreign Assets / Expat
Subject to DTAA. Disclose in Schedule FSI if resident.
Marginal Relief & Surcharge
Bonus Tax Impact Analysis
See how this additional bonus changes your tax liability and effective rate.
Alternate Minimum Tax — §115JC (Non-Corporates)
AMT = 18.5% × ATI (ATI = Total Income + these deductions). Applies if regular tax < AMT. AMT credit carry-forward: 15 years.
Transport & Conveyance (New Regime Allowances)
Max ₹3,200/mo = ₹38,400/yr. Both regimes. For orthopedically handicapped employees.
Actual conveyance for official duty. Both regimes. Not commuting.
🌾 Agricultural Income — Rate Integration (§2(1A) + §10(1))
Exempt from tax (§10(1)) but used for rate uplift if > ₹5,000 AND other income > basic exemption. Old regime only — integration method: Tax on (normal+agri) minus Tax on (exemption+agri). Disclose in Schedule EI of ITR.
§89(1) Relief — Salary Arrears / Advance Salary
Income in the prior year the arrears belong to (for Form 10E comparison).
⚠ §89(1): File Form 10E online on the Income Tax Portal BEFORE submitting ITR. Relief denied if Form 10E not filed. Computation here is indicative — use official portal utility.
🌐 Foreign Tax Credit — §90/§91 + DTAA
Tax paid abroad on foreign income. Disclose in Schedule FSI + Schedule TR.
TDS Deducted at Source (Form 26AS / AIS)
Total TDS deducted by employer during FY. Reflects in Form 26AS.
TDS on FD interest, rent, contractual payments, etc. (26AS / AIS).
TCS on vehicles, LRS/foreign remittance, education abroad etc. Credit available.
Advance Tax Paid — Quarterly Instalments
Due dates: 15 Jun (15%) · 15 Sep (45%) · 15 Dec (75%) · 15 Mar (100%) of estimated tax. Advance tax not required if liability < ₹10,000.
Tax paid via challan after March 31, at time of or before ITR filing.
ITR Filing Dates — §234A/234B/234C Interest Calculation
Leave blank = on-time filing assumed (31 Jul 2026 for individuals).
§234A: 1% p.m. interest on tax unpaid after due date of filing. §234B: 1% p.m. if advance tax < 90% of assessed tax (tax − TDS). §234C: 1% × 3 months per quarterly shortfall.
⚖️
Enter details to get Old vs New Regime recommendation
FY 2025-26 · Budget 2025 slabs · §87A rebate ≤ ₹12L · Surcharge + 4% cess
Old Regime
₹0
Effective rate: 0%
Gross Income₹0
Total Deductions₹0
Taxable Income₹0
Basic Tax₹0
Surcharge₹0
Cess (4%)₹0
87A Rebate (slab income)₹0
Total Tax Payable₹0
Monthly Tax₹0
New Regime
₹0
Effective rate: 0%
Gross Income₹0
Std. Deduction₹75,000
NPS 80CCD(2)₹0
Taxable Income₹0
Basic Tax₹0
Surcharge₹0
Cess (4%)₹0
87A Rebate (slab income only)₹0
Total Tax Payable₹0
Monthly Tax₹0
Gross Income
₹0
All heads of income
Best Regime Tax
₹0
Regime Saving
₹0
By choosing better regime
Monthly Take-Home
₹0
Best regime
Effective Rate
0%
Best regime on gross
Marginal Rate
30%
On last ₹1 earned

📊 Income & Tax Waterfall

💰 Net Tax Payable / Refund — TDS & Advance Tax

Enter TDS / Advance Tax details in the Tax Paid tab to compute net payable or refund.

📋 ITR Schedule Export & Summary

Schedules generated on every calculation. JSON includes Schedule CG, CYLA, BFLA, CFL, EI, and full tax summary for both regimes.

📐 Marginal Tax Rate — Slab Breakdown

Income SlabRateTaxable in SlabTax in Slab
New Regime FY 2025-26 slabs shown. Old regime slabs vary by age category. Highlighted row = your current slab. Before surcharge + cess.
Tax Optimizer — AI Insights
💡Enter your income details to get personalized tax optimization insights.

🏗️ Salary Restructuring Recommendations

NPS 80CCD(2) Headroom
Employer NPS can be increased
HRA Optimization
HRA exemption utilization
Bonus Tax Impact
On current bonus
LTA Exemption Opportunity
₹0 saved
Claim travel reimbursement

🧾 Income Computation — Audit Trail (New Regime)

Click to expand · All figures before CG & cess
📖
New vs Old Tax Regime — Which is better for you? Break-even crossover analysis, Form 124 compliance, deduction-by-deduction comparison for FY 2026-27.
Read Full Guide →

How to Use the Income Tax Calculator

Enter your gross annual income from salary or business, then toggle between the New Tax Regime and Old Tax Regime to see your exact tax liability under each. Under the old regime, enter your deductions — 80C investments (up to ₹1.5L), HRA exemption, 80D health insurance premium, and home loan interest — to see the regime that saves you more tax. The calculator computes base tax, surcharge, cess, effective tax rate, and net in-hand amount.

New vs Old Tax Regime: Key Differences at a Glance

Feature New Regime (Default) Old Regime
Standard Deduction₹75,000₹50,000
Section 80CNot availableUp to ₹1.5L
HRA ExemptionNot availableAvailable
Section 80D (Health)Not availableUp to ₹50K (seniors)
NPS 80CCD(1B)Not available₹50,000 extra
Home Loan Interest (24b)Not availableUp to ₹2L
Zero-tax income limit (effective)₹12.75L (87A rebate)₹5L (87A rebate)

Frequently Asked Questions

Which tax regime is better for ₹12 lakh salary in FY 2025-26?
Under the new tax regime for FY 2025-26, income up to ₹12L (after ₹75K standard deduction) attracts zero tax due to Section 87A rebate. This makes the new regime clearly superior at ₹12L unless your deductions under the old regime are very substantial. Use the calculator above to compare both instantly. See our New vs Old Regime guide for a full breakdown.
What are the income tax slabs for FY 2025-26 (New Regime)?
New regime slabs FY 2025-26: ₹0–4L = Nil · ₹4–8L = 5% · ₹8–12L = 10% · ₹12–16L = 15% · ₹16–20L = 20% · ₹20–24L = 25% · above ₹24L = 30%. Standard deduction: ₹75,000 for salaried. The Section 87A rebate makes effective tax zero for net income up to ₹12L.
Is income up to ₹12 lakh really tax-free in 2025-26?
Yes — under the new tax regime, with a standard deduction of ₹75,000, a salaried individual with gross income up to ₹12.75 lakh pays zero tax due to the Section 87A rebate (enhanced in Budget 2025 from ₹7L to ₹12L effective limit). Important caveat: special rate incomes like STCG and LTCG are taxed separately at their respective rates even if your total income is below ₹12L.
When should I choose the old tax regime over the new regime?
The old regime makes sense when your total deductions are large. Rough breakeven guide: at ₹15L income, old regime wins if deductions exceed ~₹3.75L; at ₹20L, if deductions exceed ~₹4.5L. Key deductions: 80C (₹1.5L) + HRA + 80D (₹25K) + NPS 80CCD(1B) (₹50K) + home loan interest (₹2L) can easily total ₹5–6L for homeowners. Use this calculator to compare both with your actual numbers.
What is surcharge on income tax and when does it apply?
Surcharge is levied on the base tax (not income): 10% for total income ₹50L–₹1Cr · 15% for ₹1Cr–₹2Cr · 25% for ₹2Cr–₹5Cr · 37% above ₹5Cr (old regime) / capped at 25% under new regime. Health and Education Cess: 4% is applied on (tax + surcharge) for every taxpayer regardless of income level. Marginal relief applies to prevent the tax rate exceeding the income increase at each surcharge threshold.
What is the last date to file ITR for FY 2025-26?
For salaried individuals and non-audit cases: July 31, 2026. For audit cases (businesses/professions with turnover above threshold): October 31, 2026. Belated return deadline: December 31, 2026, with late fee of ₹5,000 (₹1,000 if income ≤ ₹5L). Non-filing after December 31 attracts penalties under Section 271F.
How is TDS deducted from my salary?
Your employer deducts TDS monthly based on projected annual income. Under the new regime: TDS is on (gross salary − ₹75K standard deduction). Under old regime: you must declare investments (80C, HRA, 80D etc.) to HR, which reduces TDS. Form 12BB is used for this declaration. TDS is reflected in Form 16 (issued by employer by June 15) and Form 26AS / Annual Information Statement (AIS) on the income tax portal.
Can NRIs use this income tax calculator?
This calculator is designed for Indian resident individuals. NRI taxation differs — NRIs are taxed only on India-sourced income, DTAA treaty benefits may reduce withholding tax, and different rules govern NRO/NRE account interest. For NRI-specific calculations, please consult a Chartered Accountant with international tax expertise.

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