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Home > Income Tax Act 2025 > Chapter IV Last Updated: Oct 08th 2025

Chapter IV : Computation Of Total Income

Income tax act 2025 is organised by chapters that groups related sections of the tax law. "Chapter IV" is related to "Computation Of Total Income".

New Income Tax Act 2025 Portal

1. "Chapter IV" as per act

List of new section codes and a short description of each section.

SectionDescription of SectionSection Details
1Heads of income.Section-13
2Income not forming part of total income and expenditure in relation to such income.Section-14
3Salaries.Section-15
4Income from salary.Section-16
5Perquisite.Section-17
6Profits in lieu of salary.Section-18
7Deductions from salaries.Section-19
8Income from house property.Section-20
9Determination of annual value.Section-21
10Deductions from income from house property.Section-22
11Arrears of rent and unrealised rent received subsequently.Section-23
12Property owned by co-owners.Section-24
13Interpretation.Section-25
14Income under head "Profits and gains of business or profession".Section-26
15Manner of computing profits and gains of business or profession.Section-27
16Rent, rates, taxes, repairs and insurance.Section-28
17Deductions related to employee welfare.Section-29
18Deduction on certain premium.Section-30
19Deduction for bad debt and provision for bad and doubtful debt.Section-31
20Other deductions.Section-32
21Deduction for depreciation.Section-33
22General conditions for allowable deductions.Section-34
23Amounts not deductible in certain circumstances.Section-35
24Expenses or payments not deductible in certain circumstances.Section-36
25Certain deductions allowed on actual payment basis only.Section-37
26Certain sums deemed as profits and gains of business or profession.Section-38
27Computation of actual cost.Section-39
28Special provision for computation of cost of acquisition of certain assets.Section-40
29Written down value of depreciable asset.Section-41
30Capitalising impact of foreign exchange fluctuation.Section-42
31Taxation of foreign exchange fluctuation.Section-43
32Amortisation of certain preliminary expenses.Section-44
33Expenditure on scientific research.Section-45
34Capital expenditure of specified business.Section-46
35Expenditure on agricultural extension project and skill development project.Section-47
36Tea development account, coffee development account and rubber development account.Section-48
37Site Restoration Fund.Section-49
38Special provision in case of trade, profession or similar association.Section-50
39Amortisation of expenditure for prospecting certain minerals.Section-51
40Amortisation of expenditure for telecommunications services, amalgamation, demerger, scheme of voluntary retirement, etc.Section-52
41Full value of consideration for transfer of assets other than capital assets in certain cases.Section-53
42Business of prospecting for mineral oils.Section-54
43Insurance business.Section-55
44Special provision in case of interest income of specified financial institutions.Section-56
45Revenue recognition for construction and service contracts.Section-57
46Special provision for computing profits and gains of business or profession on presumptive basis in case of certain residents.Section-58
47Computation of royalty and fee for technical services in hands of non- residents.Section-59
48Deduction of head office expenditure in case of non-residents.Section-60
49Special provision for computation of income on presumptive basis in respect of certain business activities of certain non-residents.Section-61
50Maintenance of books of account.Section-62
51Tax audit.Section-63
52Special provision for computing deductions in case of business reorganisation of co-operative banks.Section-64
53Interpretation for purposes of section 64.Section-65
54Interpretation.Section-66
55Capital gains.Section-67
56Capital gains on distribution of assets by companies in liquidation.Section-68
57Capital gains on purchase by company of its own shares or other specified securities.Section-69
58Transactions not regarded as transfer.Section-70
59Withdrawal of exemption in certain cases.Section-71
60Mode of computation of capital gains.Section-72
61Cost with reference to certain modes of acquisition.Section-73
62Special provision for computation of capital gains in case of depreciable assets.Section-74
63Special provision for cost of acquisition in case of depreciable asset.Section-75
64Special provision for computation of capital gains in case of Market Linked Debenture.Section-76
65Special provision for computation of capital gains in case of slump sale.Section-77
66Special provision for full value of consideration in certain cases.Section-78
67Special provision for full value of consideration for transfer of share other than quoted share.Section-79
68Fair market value deemed to be full value of consideration in certain cases.Section-80
69Advance money received.Section-81
70Profit on sale of property used for residence.Section-82
71Capital gains on transfer of land used for agricultural purposes not to be charged in certain cases.Section-83
72Capital gains on compulsory acquisition of lands and buildings not to be charged in certain cases.Section-84
73Capital gains not to be charged on investment in certain bonds.Section-85
74Capital gains on transfer of certain capital assets not to be charged in case of investment in residential house.Section-86
75Exemption of capital gains on transfer of assets in cases of shifting of industrial undertaking from urban area.Section-87
76Exemption of capital gains on transfer of assets in cases of shifting of industrial undertaking from urban area to any Special Economic Zone.Section-88
77Extension of time for acquiring new asset or depositing or investing amount of capital gains.Section-89
78Meaning of "adjusted", "cost of improvement" and "cost of acquisition".Section-90
79Reference to Valuation Officer.Section-91
80Income from other sources.Section-92
81Deductions.Section-93
82Amounts not deductible.Section-94
83Profits chargeable to tax.Section-95

2. Help and useful links for "Chapter IV"

  1. Income Tax Help Center
  2. Income Tax Act 2025 Home



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Disclaimer: This article provides an overview and general guidance, not exhaustive for brevity. Please refer Income Tax Act, GST Act, Companies Act and other tax compliance acts, Rules, and Notifications for details.