Income Tax Act
Explore the Income Tax Act, including important provisions, sections, amendments and related tax-law resources. EduTaxTuber explains key provisions in simple language and provides links to relevant rules, notifications, circulars and other income-tax resources. Because the Income-tax Act, 1961 has been repealed from 1 April 2026, readers should check which law applies to the relevant tax year or assessment period.
Important Sections
Income Tax Act, 2025
EDUTAXTUBER · LAW LIBRARY
Income-tax Act, 2025
Full legal text · Act 30 of 2025 · As amended by Finance Act, 2026
Official PDF pages 201–205
SOURCE PDF PAGE 201 of the machinery or plant used in the business, then, for the purposes of sub-section (3)( b ), the condition specified therein shall be deemed to have been complied with. (7) Irrespective of anything contained in any other provision of this Act, the profits and gains of an eligible business to which the provisions of sub-section (1) apply shall, for the purposes of determining the quantum of deduction under that sub-sec - tion for the tax year immediately succeeding the initial tax year or any subsequent tax year, be computed as if such eligible business was the only source of income of the assessee during the initial tax year and to every subsequent tax year up to and including the tax year for which the determination is to be made. (8) The deduction under sub-section (1) from profits and gains derived from an eligible business shall not be admissible unless the accounts of the eligible busi - ness for the tax year for which the deduction is claimed have been audited by an accountant, before the specified date referred to in section 63 and the assessee furnishes by that date the report of such audit in the prescribed form duly signed and verified by such accountant. (9) In a case where, any goods or services held— ( i ) for the purposes of the eligible business are transferred to any other business carried on by the assessee; or ( ii ) for the purposes of any other business carried on by the assessee are transferred to the eligible business, and, in either case, the consideration, if any, for such transfer as recorded in the accounts of the eligible business does not correspond to the market value of such goods or services as on the date of the transfer, then, for the purposes of the deduction under this section, the profits and gains of such eligible business shall be computed as if the transfer, in either case, had been made at the market value of such goods or services as on that date. (10) For the purposes of sub-section (9), where, in the opinion of the Assessing Offi - cer, the computation of the profits and gains of the eligible business in the manner hereinbefore specified presents exceptional difficulties, the Assessing Officer may compute such profits and gains on such reasonable basis as he may deem fit. (11) For the purposes of sub-section (9), “market value”, in relation to any goods or services, means— ( i ) the price that such goods or services would ordinarily fetch in the open market; or ( ii ) the arm’s length price as defined in section 173( a ), where the transfer of such goods or services is a specified domestic transaction referred to in section 164. (12) Where any amount of profits and gains of an undertaking or of an enterprise in the case of an assessee is claimed and allowed under this section for any tax year, deduction to the extent of such profits and gains shall not be allowed under any other provisions of Part C of this Chapter and shall in no case exceed the profits and gains of such eligible business of undertaking or enterprise, as the case may be. (13) Where it appears to the Assessing Officer that owing to the close connection between the assessee carrying on the eligible business to which this section applies ────────── SOURCE PDF PAGE 202 and any other person, or for any other reason, the course of business between them is so arranged that the business transacted between them produces to the assessee more than the ordinary profits which might be expected to arise in such eligible business, the Assessing Officer shall, in computing the profits and gains of such eligible business for the purposes of the deduction under this section, take the amount of profits as may be reasonably deemed to have been derived therefrom. (14) Where the arrangement as mentioned in sub-section (13) involves a specified domestic transaction referred to in section 164, the amount of profits from such transaction shall be determined having regard to arm’s length price as defined in section 173( a ). (15) The Central Government may, after making such inquiry as it may think fit, direct, by notification, that the exemption conferred by this section shall not apply to any class of industrial undertaking or enterprise with effect from such date as it may specify in the notification. (16) For the purposes of this section,— ( a ) “eligible business” means a business carried out by an eligible start-up engaged in innovation, development or improvement of products or processes or services or a scalable business model with a high potential of employment generation or wealth creation; ( b ) “eligible start-up” means a company or a limited liability partnership engaged in eligible business which fulfils the following conditions:— ( i ) it is incorporated on or after the 1st April, 2016 but before the 1st April, 2030; ( ii ) the total turnover of its business does not exceed 12 [ three ] hundred crore rupees in the tax year relevant to the tax year for which de - duction under sub-section (1) is claimed; and ( iii ) it holds a certificate of eligible business from the Inter-Ministerial Board of Certification as may be notified by the Central Government; ( c ) “limited liability partnership” means a partnership referred to in section 2(1)( n ) of the Limited Liability Partnership Act, 2008 (6 of 2009). Deduction in respect of profits and gains from certain industrial under-takings. 141. In respect of any tax year, where— ( a ) the gross total income of an assessee, includes any profits and gains derived from any business referred to in section 80-IB of the Income- tax Act, 1961 (43 of 1961); and ( b ) such assessee is eligible to claim a deduction from the profits and gains derived from such business for such tax year under the provisions of the said section, as if the said Act had not been repealed, there shall be allowed, in computing the total income of the assessee, a deduction from the profits and gains derived from such business, subject to the conditions that— 12. Substituted for “one” by the Finance Act, 2026, w.e.f. 1-4-2026 . ────────── SOURCE PDF PAGE 203 ( i ) the amount of deduction is calculated as per the provisions of section 80-IB of the Income-tax Act, 1961 (43 of 1961); and ( ii) the deduction under this Act shall be allowed only for such tax years, as would have been allowed under section 80-IB of the Income-tax Act, 1961 (43 of 1961), as if the said Act had not been repealed. Deductions in respect of profits and gains from housing projects. 142. In respect of any tax year, where— ( a ) the gross total income of an assessee, includes any profits and gains derived from the business of developing and building housing projects or rental housing projects referred to in section 80-IBA of the Income-tax Act, 1961 (43 of 1961); and ( b ) such assessee is eligible to claim a deduction from the profits and gains derived from such business for such tax year under the provisions of the said section, as if the said Act had not been repealed, there shall be allowed, in computing the total income of the assessee, a deduction from the profits and gains derived from such business, subject to the conditions that— ( i ) the amount of deduction is calculated as per the provisions of section 80-IBA of the Income-tax Act, 1961 (43 of 1961); and ( ii ) the deduction under this Act shall be allowed only for such tax years, as would have been allowed under section 80-IBA of the Income-tax Act, 1961 (43 of 1961), as if the said Act had not been repealed. Special provisions in respect of certain undertakings in North-Eastern States. 143. (1) Where the gross total income of an assessee includes any profits and gains derived by an undertaking, to which this section applies, from any busi - ness referred to in sub-section (2), there shall be allowed, in computing the total income of the assessee, a deduction of an amount equal to 100% of the profits and gains derived from such business for ten consecutive tax years commencing with the initial tax year. (2) This section applies to any undertaking which during the period beginning on the 1st April, 2007 and ending before the 1st April, 2017, has begun or begins, in any of the North-Eastern States,— ( a ) to manufacture or produce any eligible article or thing; or ( b ) to undertake substantial expansion to manufacture or produce any eli - gible article or thing; or ( c ) to carry on any eligible business. (3) This section applies to any undertaking which fulfils all the following conditions:— ( a ) it is not formed by splitting up, or the reconstruction, of a business already in existence (other than an undertaking which is formed as a result of the re-establishment, reconstruction or revival by the assessee of the business of any such undertaking as is referred to in section 140(4), in the circumstances and within the period specified therein); ( b ) it is not formed by the transfer to a new business of machinery or plant previously used for any purpose. ────────── SOURCE PDF PAGE 204 (4) For the purposes of sub-section (3)( b ), the provisions of section 140(5) and (6) shall apply. (5) Irrespective of anything contained in any other provision of this Act, in com - puting the total income of the assessee, no deduction shall be allowed under any other section contained in this Chapter in relation to the profits and gains of the undertaking. (6) Irrespective of anything contained in this Act, no deduction shall be allowed to any undertaking under this section, where the total period of deduction inclusive of the period of deduction under this section or under second proviso to section 80-IB(4) of the Income-tax Act, 1961 (43 of 1961) exceeds ten tax years. (7) The provisions contained in section 140(7) to (15) shall, so far as may be, apply to the eligible undertaking under this section. (8) For the purposes of this section,— ( a ) “eligible article or thing” means the article or thing other than the following:— ( i ) goods falling under Chapter 24 of the First Schedule to the Central Excise Tariff Act, 1985 (5 of 1986), which pertains to tobacco and manufactured tobacco substitutes; ( ii ) pan masala as covered under Chapter 21 of the First Schedule to the Central Excise Tariff Act, 1985 (5 of 1986); ( iii ) plastic carry bags of less than twenty microns as specified by the Ministry of Environment and Forests vide notification numbers S.O. 705(E), dated the 2nd September, 1999 and S.O. 698(E), dated the 17th June, 2003; and ( iv ) goods falling under Chapter 27 of the First Schedule to the Central Excise Tariff Act, 1985 (5 of 1986), produced by petroleum oil or gas refineries; ( b ) “eligible business” means the business of— ( i ) hotel (not below two star category); ( ii ) adventure and leisure sports including ropeways; ( iii ) providing medical and health services in the nature of nursing home with a minimum capacity of twenty-five beds; ( iv ) running an old-age home; ( v ) operating vocational training institute for hotel management, catering and food craft, entrepreneurship development, nursing and para-medical, civil aviation related training, fashion designing and industrial training; ( vi ) running information technology related training centre; ( vii ) manufacturing of information technology hardware; and ( viii ) bio-technology; ────────── SOURCE PDF PAGE 205 ( c ) “initial tax year” means the tax year in which the undertaking begins to manufacture or produce articles or things, or completes substantial expansion; ( d ) “North-Eastern States” means the States of Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Sikkim and Tripura; ( e ) “substantial expansion” means increase in the investment in the plant and machinery by at least 25% of the book value of plant and machinery (before taking depreciation in any year), as on the first day of the tax year in which the substantial expansion is undertaken. Special provisions in respect of newly established Units in Special Economic Zones. 144. In respect of any tax year, where— ( a ) in computing the total income of an assessee, being an entrepreneur as referred to in section 2( j ) of the Special Economic Zones Act, 2005 (28 of 2005), who begins to manufacture or produce articles or things or provide any services, as referred to in section 10AA of the Income-tax Act, 1961 (43 of 1961); and ( b ) such assessee is eligible to claim a deduction from the profits and gains derived from the export, of such articles or things or from services for such tax year under the provisions of the said section, if the said Act had not been repealed, there shall be allowed, in computing the total income of the assessee, a deduction from the profits and gains derived from such business, subject to the conditions that— ( i ) the amount of deduction is calculated as per the provisions of section 10AA of the Income-tax Act, 1961 (43 of 1961); and ( ii ) the deduction under this Act shall be allowed only for such tax years, as would have been allowed under section 10AA of the Income-tax Act, 1961 (43 of 1961), as if the said Act had not been repealed. Deduction for businesses engaged in collecting and processing of bio-de - gradable waste. 145. If the gross total income of an assessee includes any profits and gains derived from the business of collecting and processing or treating of bio- degradable waste for,— ( a ) generating power; or ( b ) producing bio-fertilizers, bio-pesticides or other biological agents; or ( c ) producing bio-gas; or ( d ) making pellets or briquettes for fuel or organic manure, there shall be allowed a deduction equal to the whole amount of such profits and gains for five consecutive tax years, beginning with the tax year in which such business commences. Deduction in respect of additional employee cost. 146. (1) Subject to the conditions specified in sub-sections (2) and (3), if the gross total income of an assessee, to whom section 63 applies, includes any
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