Income Tax Act 2025 - Section Index
All 536 sections of the Income Tax Act 2025 grouped by chapter - from salary and house property to capital gains, deductions, and filing provisions.
Charge & Basis of Tax
Sections 4-9 - who is taxed, on what, and where
Salary Income
Sections 15-17 - taxability and deductions from salary
House Property
Sections 22-24 - income and deductions from house property
Business & Profession
Sections 28-44AE - income, expenses, depreciation, presumptive
Income Chargeable as Business/Profession
Section 29Computation of Business Income
Section 30Deduction for Rent of Premises
Section 32 → §85Depreciation Allowance
Section 35Scientific Research Expenditure
Section 36Other Deductions - bad debts, insurance etc.
Section 37 → §91General Business Expenditure
Section 40APayments to Related Parties / Cash Disallowance
Section 43Actual Cost and Written Down Value
Section 44AD → §193Presumptive Taxation - Businesses (₹3Cr limit)
Section 44ADA → §194Presumptive Taxation - Professionals (₹75L)
Section 44AE → §195Presumptive Taxation - Transport Operators
Capital Gains
Sections 45-112A - computation, exemptions, special rates
Capital Gains - chargeability
Section 47Transactions Not Regarded as Transfer
Section 48 → §111Mode of Computation - indexed cost
Section 49Cost in Certain Cases
Section 50C → §113Full Value of Consideration - stamp duty value
Section 54 → §114LTCG Exemption on Sale of Residential House
Section 54EC → §116LTCG Exemption via NHAI/REC Bonds (₹50L cap)
Section 54F → §115LTCG Exemption - Other Assets into Residence
Section 111A → §197STCG on Listed Equity at 20%
Section 112LTCG on Non-Equity Assets at 20%
Section 112A → §198LTCG on Listed Equity at 12.5% (above ₹1.25L)
Other Sources of Income
Sections 56-57 - interest, gifts, winnings
Deductions (Chapter XXI)
Sections 80C-80U - investment, insurance, NPS, donations
Deductions to be made in computing total income
Section 80C → §123PPF, ELSS, LIC, NSC, Home Loan Principal - ₹1.5L
Section 80CCDNPS Employer + Employee Contribution
Section 80CCD(1B)Additional NPS Self-Contribution - ₹50,000
Section 80D → §322Health Insurance Premium
Section 80DDBMedical Treatment of Specified Diseases
Section 80EEducation Loan Interest
Section 80G → §330Donations - 100% / 50%
Section 80GGRent Deduction (when no HRA received)
Section 80PDeductions for Co-operative Societies
Section 80TTA → §335Savings Account Interest - ₹10,000
Section 80TTB → §336Senior Citizens Interest Deduction - ₹50,000
Section 80UDisability Deduction - ₹75,000 / ₹1.25L
Tax Rebate & Special Regime
Sections 87A & 115BAC - rebate and new tax regime
Exemptions
Section 10 equivalents - LIC maturity, agricultural income, etc.
TDS, Filing & Interest
Sections 139, 234A-234C - return filing and interest provisions
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