Income-tax Act, 1961 | Industrial and business profit deductions
Section 80-IB: Deduction for Profits from Certain Industrial Undertakings and Businesses
Section 80-IB provided profit-linked income-tax deductions for specified industrial undertakings and businesses other than infrastructure development undertakings. The benefit, rate, commencement deadline and duration differed considerably across categories, including backward-area factories, hotels, mineral oil operations, housing projects, cold-chain facilities, food processing and hospitals.
How Section 80-IB worked
Under subsection (1), where gross total income included profits and gains derived from an eligible business identified in the section, a specified percentage of those eligible profits could be deducted for the applicable number of assessment years. This was not a deduction from total turnover, investment cost or gross receipts. The eligible business and its prescribed period had to be identified before calculating any benefit.
Business categories and historical deduction rates
| Provision | Historical eligible activity | Illustrative statutory deduction |
|---|---|---|
| 80-IB(3) | Qualifying industrial undertaking / small-scale industrial unit | 25% of eligible profits (30% for companies), generally 10 assessment years; 12 for co-operative societies |
| 80-IB(4) | Specified industrially backward states, subject to deadlines and exclusions | 100% for first five years, then 25% or 30%; special historical rules for notified North-Eastern industries and Jammu and Kashmir |
| 80-IB(5) | Notified backward districts, categories A and B | Category A: 100% for five years, then 25% or 30%; Category B: 100% for three years, then 25% or 30%, within overall limits |
| 80-IB(6)-(8A) | Qualifying ships, hotels, multiplex theatres, convention centres and approved R&D companies | Historically varied by activity, approval and start date; including 30%, 50% or 100% in specified cases |
| 80-IB(9) | Qualifying mineral oil and natural gas operations / refining | 100% for seven consecutive assessment years, subject to licensing, activity and commencement restrictions |
| 80-IB(10) | Eligible residential housing projects | 100% of qualifying housing-project profits, subject to project approval, completion, size and allotment rules |
| 80-IB(11), (11A) | Specified agricultural cold-chain, foodgrain handling and food processing businesses | 100% for five years, then 25% or 30%, generally subject to a ten-year maximum and activity-specific conditions |
| 80-IB(11B), (11C) | Qualifying hospitals meeting bed, location, construction and commencement requirements | 100% for five consecutive assessment years |
Important: The table is an orientation guide, not a substitute for the exact historical text. Several eligible start dates and approvals expired years ago, and the original uploaded extract reflects a particular amended version rather than every later legislative change.
Industrial undertaking conditions under Section 80-IB(2)
The ordinary industrial undertaking conditions included: no formation through splitting or reconstruction of an existing business (subject to the statutory Section 33B exception); no disqualifying transfer of previously used machinery or plant; manufacture or production of qualifying articles or operation of cold-storage plants; and, for manufacturing, employment of at least 10 workers where power was used or 20 where power was not used.
Under Explanation 1, machinery previously used abroad could be treated as not previously used if the statutory import, Indian-use and depreciation requirements were met. Explanation 2 generally tolerated previously used transferred machinery up to 20% of the total value of machinery and plant used in the new business. Special rules applied to small-scale and certain backward-area undertakings, including treatment of Eleventh Schedule products.
Backward states, backward districts and small-scale units
Subsections (3), (4) and (5) were closely tied to historical commencement windows and government notifications. The uploaded text records ordinary industrial commencement in the early 1990s, special small-scale industrial unit commencement through 31 March 2002, and specified backward-area commencement windows generally ending in 2004, with certain Jammu and Kashmir extensions. Qualifying North-Eastern industries could historically receive special 100% deductions, but overlaps with Section 80-IC were restricted. A unit must prove the relevant geographical notification, applicable commencement date, business activity and calculation of profits.
Housing projects: Section 80-IB(10)
Section 80-IB(10) historically allowed 100% deduction of eligible housing-project profits, provided project-specific requirements were satisfied. The uploaded extract covers approvals by local authorities, construction commencement and completion deadlines, minimum plot area, residential-unit built-up area, limits on commercial space, allotment restrictions and exclusion of mere works contractors. The statute defined the completion date by reference to the local authority's completion certificate and addressed repeated building-plan approvals.
Later amendments altered the project-approval cut-off and other requirements. Consequently, the exact statutory text applicable to the project approval date and assessment year must be checked rather than relying only on the older 31 March 2008 deadline reproduced in the uploaded archive. Compare the distinct housing-project deduction under Section 80-IBA, which had different eligibility criteria.
Other covered activities
Ships, hotels, multiplex theatres and convention centres
Historical deductions depended on Indian ownership, specified places, business approval, construction or operation start dates, and prescribed audit reports. The uploaded text identifies 30% for certain qualifying ships, 30% or 50% for hotels, and 50% for eligible multiplex theatres and convention centres, each subject to the corresponding subsection's period and conditions.
Scientific research and development
Subsections (8) and (8A) addressed approved Indian companies whose main objects involved scientific and industrial research and development, with historical 100% profit deductions for five or ten years depending on the provision and approval period.
Mineral oil and natural gas
Subsection (9) provided a historical seven-year 100% deduction for specified commercial production of mineral oil, mineral-oil refining, and qualifying natural-gas projects, with detailed rules governing commencement deadlines, licensed blocks, contracts and eligible activities. The deduction was not a general benefit for all energy businesses.
Cold-chain facilities, food processing and foodgrains
Subsection (11) addressed certain agricultural cold-chain facilities. Subsection (11A) addressed specified processing, preservation and packaging activities and integrated handling, storage and transportation of foodgrains. Conditions varied with the product category and commencement date. The older extract's meat, poultry, marine and dairy commencement rules must be evaluated against the law applicable to the particular year.
Hospitals
Subsection (11B) historically addressed hospitals in rural areas constructed in a specified period; subsection (11C) addressed hospitals outside defined excluded urban areas with construction and operation within the prescribed 2008-2013 window. The uploaded text required at least 100 patient beds, compliance with local construction rules, and a prescribed accountant's audit report.
Key definitions in Section 80-IB(14)
| Term | Meaning in the historical provision |
|---|---|
| Built-up area | Internal measurements at floor level including projections, balconies and wall thickness, excluding common areas shared with other residential units |
| Cold-chain facility | Facilities for scientifically controlled storage or transportation of agricultural produce, including refrigeration and necessary preservation facilities |
| Initial assessment year | Generally the assessment year linked to commencement of the particular qualifying activity; definitions differed for factories, hotels, ships, R&D, oil, food businesses and hospitals |
| North-Eastern Region | Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Sikkim and Tripura |
| Hilly area | An area at least 1,000 metres above sea level |
| Small-scale industrial undertaking | Undertaking meeting the historical statutory classification under Section 11B of the Industries (Development and Regulation) Act, 1951 |
Computation, audit, transfers and anti-abuse rules
Subsection (13) applied relevant parts of Section 80-IA, including separate computation of eligible business profits, audit requirements, market-value adjustments for inter-unit transfers, restrictions on excessive profits from closely connected transactions and limitations on duplicate deductions. Subsection (12) addressed transfer of an eligible undertaking in an amalgamation or demerger between Indian companies. The precise availability of succession relief depends on the statutory version relevant to the transaction.
Maintain separate segment accounts, approvals and notifications, commencement and completion certificates, production and employee records, asset and machinery records, project-level revenue and expenses, and the prescribed accountant's report where required. Audit compliance alone does not cure an ineligible project or expired commencement window.
Illustrative deduction calculation
Income-tax Act, 2025 and historical claims
The Income-tax Act, 2025 commenced on 1 April 2026. This webpage preserves the historical framework of Section 80-IB of the 1961 Act. Whether a transitional deduction continues for a particular undertaking or tax year requires checking the applicable new legislation, schedules and savings provisions, as well as the undertaking's original entitlement and remaining deduction period. Do not assume the numbering, rate or availability is unchanged.
Original Section 80-IB text and legislative amendment notes
The following statutory extract and 35 original legislative amendment notes are preserved from the uploaded webpage for historical reference. Some editorial footnote numerals appear in the running text and certain dates or clauses may have been amended later. Use the official legislation applicable to the particular assessment year for authoritative legal interpretation.
(1) Where the gross total income of an assessee includes any profits and gains derived from any business referred to in sub-sections (3) to 1 (11), (11A) and (11B) (such business being hereinafter referred to as the eligible business), there shall, in accordance with and subject to the provisions of this section, be allowed, in computing the total income of the assessee, a deduction from such profits and gains of an amount equal to such percentage and for such number of assessment years as specified in this section.
(2) This section applies to any industrial undertaking which fulfils all the following conditions, namely:
(i) it is not formed by splitting up, or the reconstruction, of a business already in existence:
Provided that this condition shall not apply in respect of an industrial undertaking which is formed as a result of the re-establishment, reconstruction or revival by the assessee of the business of any such industrial undertaking as is referred to in section 33B, in the circumstances and within the period specified in that section;
(ii) it is not formed by the transfer to a new business of machinery or plant previously used for any purpose;
(iii) it manufactures or produces any article or thing, not being any article or thing specified in the list in the Eleventh Schedule, or operates one or more cold storage plant or plants, in any part of India:
Provided that the condition in this clause shall, in relation to a small scale industrial undertaking or an industrial undertaking referred to in sub-section (4) shall apply as if the words not being any article or thing specified in the list in the Eleventh Schedule had been omitted.
Explanation 1.For the purposes of clause (ii), any machinery or plant which was used outside India by any person other than the assessee shall not be regarded as machinery or plant previously used for any purpose, if the following conditions are fulfilled, namely:
(a) such machinery or plant was not, at any time previous to the date of the installation by the assessee, used in India;
(b) such machinery or plant is imported into India from any country outside
India; and
(c) no deduction on account of depreciation in respect of such machinery or
plant has been allowed or is allowable under the provisions of this Act in
computing the total income of any person for any period prior to the date of the
installation of the machinery or plant by the assessee.
Explanation 2.Where in the case of an industrial undertaking, any machinery or plant or any part thereof previously used for any purpose is transferred to a new business and the total value of the machinery or plant or part so transferred does not exceed twenty per cent. of the total value of the machinery or plant used in the business, then, for the purposes of clause (ii) of this sub-section, the condition specified therein shall be deemed to have been complied with;
(iv) in a case where the industrial undertaking manufactures or produces articles or things, the undertaking employs ten or more workers in a manufacturing process carried on with the aid of power, or employs twenty or more workers in a manufacturing process carried on without the aid of power.
(3) The amount of deduction in the case of an industrial undertaking shall be twenty-five per cent. (or thirty per cent. where the assessee is a company), of the profits and gains derived from such industrial undertaking for a period of ten consecutive assessment years (or twelve consecutive assessment years where the assessee is a co-operative society) beginning with the initial assessment year subject to the fulfilment of the following conditions, namely:
(i) it begins to manufacture or produce, articles or things or to operate such plant or plants at any time during the period beginning from the 1st day of April, 1991 and ending on the 31st day of March, 1995 or such further period as the Central Government may, by notification in the Official Gazette, specify with reference to any particular undertaking;
(ii) where it is an industrial undertaking being a small scale industrial undertaking, it begins to manufacture or produce articles or things or to operate its cold storage plant not specified in sub-section (4) or sub-section (5) at any time during the period beginning on the 1st day of April, 1995 and ending on the 2 31st day of March, 2002.
(4) The amount of deduction in the case of an industrial undertaking in an industrially backward State specified in the Eighth Schedule shall be hundred per cent of the profits and gains derived from such industrial undertaking for five assessment years beginning with the initial assessment year and thereafter twenty-five per cent. (or thirty per cent. where the assessee is a company) of the profits and gains derived from such industrial undertaking:
Provided that the total period of deduction does not exceed ten consecutive assessment years (or twelve consecutive assessment years where the assessee is a co-operative society) subject to fulfilment of the condition that it begins to manufacture or produce articles or things or to operate its cold storage plant or plants during the period beginning on the 1st day of April, 1993 and ending on the 2 31st day of March, 2004:
Provided further that in the case of such industries in the North-Eastern Region, as may be notified by the Central Government, the amount of deduction shall be hundred per cent. of profits and gains for a period of ten assessment years, and the total period of deduction shall in such a case not exceed ten assessment years:
4 Provided also that no deduction under this sub-section shall be allowed for the assessment year beginning on the 1st day of April, 2004 or any subsequent year to any undertaking or enterprise referred to in sub-section (2) of section 80-IC:
5 Provided also that in the case of an industrial undertaking in the State of Jammu and Kashmir, the provisions of the first proviso shall have effect as if for the figures, letters and words 31st day of March, 2004, the figures, letters and words 6 31st day of March, 2012 had been substituted: Provided also that no deduction under this sub-section shall be allowed to an industrial undertaking in the State of Jammu and Kashmir which is engaged in the manufacture or production of any article or thing specified in Part C of the Thirteenth Schedule.
(5) The amount of deduction in the case of an industrial undertaking located in such industrially backward districts as the Central Government may, having regard to the prescribed guidelines, by notification in the Official Gazette, specify in this behalf as industrially backward district of category A or an industrially backward district of category B shall be,
(i) hundred per cent of the profits and gains derived from an industrial undertaking located in a backward district of category A for five assessment years beginning with the initial assessment year and thereafter, twenty-five per cent. (or thirty per cent. where the assessee is a company) of the profits and gains of an industrial undertaking :
Provided that the total period of deduction shall not exceed ten consecutive assessment years or where the assessee is a co-operative society, twelve consecutive assessment years:
Provided further that the industrial undertaking begins to manufacture or produce articles or things or to operate its cold storage plant or plants at any time during the period beginning on the 1st day of October, 1994 and ending on the 7 31st day of March, 2004;
(ii) hundred per cent. of the profits and gains derived from an industrial undertaking located in a backward district of category B for three assessment years beginning with the initial assessment year and thereafter, twenty-five per cent (or thirty per cent where the assessee is a company) of the profits and gains of an industrial undertaking:
Provided that the total period of deduction does not exceed eight consecutive assessment years (or where the assessee is a co-operative society, twelve consecutive assessment years):
Provided further that the industrial undertaking begins to manufacture or produce articles or things or to operate its cold storage plant or plants at any time during the period beginning on the 1st day of October, 1994 and ending on the 7 31st day of March, 2004.
(6) The amount of deduction in the case of the business of a ship shall be thirty per cent. of the profits and gains derived from such ship for a period of ten consecutive assessment years including the initial assessment year provided that the ship
(i) is owned by an Indian company and is wholly used for the purposes of the business carried on by it;
(ii) was not, previous to the date of its acquisition by the Indian company, owned or used in Indian territorial waters by a person resident in India; and
(iii) is brought into use by the Indian company at any time during the period beginning on the 1st day of April, 1991 and ending on the 31st day of March, 1995.
(7) The amount of deduction in the case of any hotel shall be
(a) fifty per cent. of the profits and gains derived from the business of such hotel for a period of ten consecutive years beginning from the initial assessment year as is located in a hilly area or a rural area or a place of pilgrimage or such other place as the Central Government may, having regard to the need for development of infrastructure for tourism in any place and other relevant considerations, specify by notification in the Official Gazette and such hotel starts functioning at any time during the period beginning on the 1st day of April, 1990 and ending on the 31st day of March, 1994 or beginning on the 1st day of April, 1997 and ending on the 31st day of March, 2001:
Provided that nothing contained in this clause shall apply to a hotel located at a place within the municipal jurisdiction (whether known as a municipality, municipal corporation, notified area committee or a cantonment board or by any other name) of Calcutta, Chennai, Delhi or Mumbai, which has started or starts functioning on or after the 1st day of April, 1997 and before the 31st day of March, 2001:
Provided further that the said hotel is approved by the prescribed authority for the purpose of this clause in accordance with the rules made under this Act and where the said hotel is approved by the prescribed authority before the 31st day of March, 1992, shall be deemed to have been approved by the prescribed authority for the purpose of this section in relation to the assessment year commencing on the 1st day of April, 1991;
(b) thirty per cent. of the profits and gains derived from the business of such hotel as is located in any place other than those mentioned in sub-clause (a) for a period of ten consecutive years beginning from the initial assessment year if such hotel has started or starts functioning at any time during the period beginning on the 1st day of April, 1991 and ending on the 31st day of March, 1995 or beginning on the 1st day of April, 1997 and ending on the 31st day of March, 2001:
Provided that nothing contained in this clause shall apply to a hotel located at a place within the municipal jurisdiction (whether known as a municipality, municipal corporation, notified area committee, town area committee or a cantonment board or by any other name) of Calcutta, Chennai, Delhi or Mumbai, which has started or starts functioning on or after the 1st day of April, 1997 and before the 31st day of March, 2001;
(c) the deduction under clause (a) or clause (b) shall be available only if
(i) the business of the hotel is not formed by the splitting up, or the
reconstruction, of a business already in existence or by the transfer to a new
business of a building previously used as a hotel or of any machinery or plant
previously used for any purpose;
(ii) the business of the hotel is owned and carried on by a company registered
in India with a paid-up capital of not less than five hundred thousand rupees;
(iii) the hotel is for the time being approved by the prescribed authority:
Provided that any hotel approved by the prescribed authority before the 1st day of April, 1999 shall be deemed to have been approved under this sub-section.
8 (7A) The amount of deduction in the case of any multiplex theatre shall be
(a) fifty per cent of the profits and gains derived, from the business of building, owning and operating a multiplex theatre, for a period of five consecutive years beginning from the initial assessment year in any place:
Provided that nothing contained in this clause shall apply to a multiplex theatre located at a place within the municipal jurisdiction (whether known as a municipality, municipal corporation, notified area committee or a cantonment board or by any other name) of Chennai, Delhi, Mumbai or Kolkata;
(b) the deduction under clause (a) shall be allowable only if
(i) such multiplex theatre is constructed at any time during the period beginning on the 1st day of April, 2002 and ending on the 31st day of March, 2005;
(ii) the business of the multiplex theatre is not formed by the splitting up, or the reconstruction, of a business already in existence or by the transfer to a new business of any building or of any machinery or of plant previously used for any purpose;
(iii) the assessee furnishes alongwith the return of income, the report of an audit in such form and containing such particulars as may be prescribed and duly signed and verified by an accountant, as defined in the Explanation below sub-section (2) of section 288, certifying that the deduction has been correctly claimed.
(7B) The amount of deduction in the case of any convention centre shall be
(a) fifty per cent of the profits and gains derived, by the assessee from the business of building, owning and operating a convention centre, for a period of five consecutive years beginning from the initial assessment year;
(b) the deduction under clause (a) shall be allowable only if
(i) such convention centre is constructed at any time during the period beginning on the 1st day of April, 2002 and ending on the 31st day of March, 2005;
(ii) the business of the convention centre is not formed by the splitting up, or the reconstruction, of a business already in existence or by the transfer to a new business of any building or of any machinery or plant previously used for any purpose;
(iii) the assessee furnishes alongwith the return of income, the report of an audit in such form and containing such particulars as may be prescribed, and duly signed and verified by an accountant, as defined in the Explanation below sub-section (2) of section 288, certifying that the deduction has been correctly claimed.
(8) The amount of deduction in the case of any company carrying on scientific research and development shall be hundred per cent of the profits and gains of such business for a period of five assessment years beginning from the initial assessment year if such company
(a) is registered in India;
(b) has the main object of scientific and industrial research and development;
(c) is for the time being approved by the prescribed authority at any time before the 1st day of April, 1999.
9 (8A) The amount of deduction in the case of any company carrying on scientific research and development shall be hundred per cent of the profits and gains of such business for a period of ten consecutive assessment years, beginning from the initial assessment year, if such company
(i) is registered in India;
(ii) has its main object the scientific and industrial research and development;
(iii) is for the time being approved by the prescribed authority at any time after the 31st day of March, 2000 but before the 10 1st day of April, 2007;
(iv) fulfils such other conditions as may be prescribed.
11 (9) The amount of deduction to an undertaking shall be hundred per cent of
the profits for a period of seven consecutive assessment years, including the
initial assessment year, if such undertaking fulfils any of the following,
namely:
(i) is located in North-Eastern Region and has begun or begins commercial production of mineral oil before the 1st day of April, 1997;
(ii) is located in any part of India and has begun or begins commercial production of mineral oil on or after the 1st day of April, 1997 12 but not later than the 31st day of March, 2017:
13 Provided that the provisions of this clause shall not apply to blocks licensed under a contract awarded after the 31st day of March, 2011 under the New Exploration Licencing Policy announced by the Government of India vide Resolution No. O-19018/22/95-ONG.DO.VL, dated the 10th February, 1999 or in pursuance of any law for the time being in force or by the Central or a State Government in any other manner;
(iii) is engaged in refining of mineral oil and begins such refining on or after the 1st day of October, 1998 14 but not later than the 31st day of March, 2012;
15 (iv) is engaged in commercial production of natural gas in blocks licensed under the VIII Round of bidding for award of exploration contracts (hereafter referred to as NELP-VIII) under the New Exploration Licencing Policy announced by the Government of India vide Resolution No. O-19018/22/95-ONG.DO.VL, dated 10th February, 1999 and begins commercial production of natural gas on or after the 1st day of April, 2009 5 but not later than the 31st day of March, 2017;
(v) is engaged in commercial production of natural gas in blocks licensed under the IV Round of bidding for award of exploration contracts for Coal Bed Methane blocks and begins commercial production of natural gas on or after the 1st day of April, 2009 5 but not later than the 31st day of March, 2017.
Explanation. For the purposes of claiming deduction under this sub-section, all blocks licensed under a single contract, which has been awarded under the New Exploration Licencing Policy announced by the Government of India vide Resolution No. O-19018/22/95-ONG.DO.VL, dated 10th February, 1999 or has been awarded in pursuance of any law for the time being in force or has been awarded by the Central or a State Government in any other manner, shall be treated as a single undertaking.
16 (10) The amount of deduction in the case of an undertaking developing and building housing projects approved before the 17 31st day of March, 2008 by a local authority shall be hundred per cent of the profits derived in the previous year relevant to any assessment year from such housing project if,
(a) such undertaking has commenced or commences development and construction of the housing project on or after the 1st day of October, 1998 and completes such construction,
(i) in a case where a housing project has been approved by the local authority before the 1st day of April, 2004, on or before the 31st day of March, 2008;
(ii) in a case where a housing project has been, or, is approved by the local authority on or after the 1st day of April, 2004 18 but not later than the 31st day of March, 2005, within four years from the end of the financial year in which the housing project is approved by the local authority;
18 (iii) in a case where a housing project has been approved by the local authority on or after the 1st day of April, 2005, within five years from the end of the financial year in which the housing project is approved by the local authority.
Explanation. For the purposes of this clause,
(i) in a case where the approval in respect of the housing project is obtained
more than once, such housing project shall be deemed to have been approved on
the date on which the building plan of such housing project is first approved by
the local authority;
(ii) the date of completion of construction of the housing project shall be taken to be the date on which the completion certificate in respect of such housing project is issued by the local authority;
(b) the project is on the size of a plot of land which has a minimum area of
one acre:
Provided that nothing contained in clause (a) or clause (b) shall apply to a
housing project carried out in accordance with a scheme framed by the Central
Government or a State Government for reconstruction or redevelopment of existing
buildings in areas declared to be slum areas under any law for the time being in
force and such scheme is notified by the Board in this behalf;
(c) the residential unit has a maximum built-up area of one thousand square feet where such residential unit is situated within the city of Delhi or Mumbai or within twenty-five kilometres from the municipal limits of these cities and one thousand and five hundred square feet at 19 any other place;
(d) the built-up area of the shops and other commercial establishments included in the housing project does not exceed 20 three per cent. of the aggregate built-up area of the housing project or 21 five thousand square feet, whichever is higher;
22 (e) not more than one residential unit in the housing project is allotted to any person not being an individual; and
(f) in a case where a residential unit in the housing project is allotted to a person being an individual, no other residential unit in such housing project is allotted to any of the following persons, namely:-
(i) the individual or the spouse or the minor children of such individual,
(ii) the Hindu undivided family in which such individual is the karta,
(iii) any person representing such individual, the spouse or the minor children of such individual or the Hindu undivided family in which such individual is the karta.
23 Explanation.-For the removal of doubts, it is hereby declared that nothing contained in this subsection shall apply to any undertaking which executes the housing project as a works contract awarded by any person (including the Central or State Government).
(11) Notwithstanding anything contained in clause (iii) of sub-section (2) and sub-sections (3), (4) and (5), the amount of deduction in a case of industrial undertaking deriving profit from the business of setting up and operating a cold chain facility for agricultural produce, shall be hundred per cent of the profits and gains derived from such industrial undertaking for five assessment years beginning with the initial assessment year and thereafter, twenty-five per cent. (or thirty per cent where the assessee is a company) of the profits and gains derived from the operation of such facility in a manner that the total period of deduction does not exceed ten consecutive assessment years (or twelve consecutive assessment years where the assessee is a co-operative society) and subject to fulfilment of the condition that it begins to operate such facility on or after the 1st day of April, 1999 but before the 24 1st day of April, 2004.
25 (11A) The amount of deduction in a case of 26 an undertaking deriving profit from the business of processing, preservation and packaging of fruits or vegetables or 22 meat and meat products or poultry or marine or dairy products or from the integrated business of handling, storage and transportation of foodgrains, shall be hundred per cent of the profits and gains derived from such undertaking for five assessment years beginning with the initial assessment year and thereafter, twenty-five per cent. (or thirty per cent. where the assessee is a company) of the profits and gains derived from the operation of such business in a manner that the total period of deduction does not exceed ten consecutive assessment years and subject to fulfilment of the condition that it begins to operate such business on or after the 1st day of April, 2001:
22 Provided that the provisions of this section shall not apply to an undertaking engaged in the business of processing, preservation and packaging of meat or meat products or poultry or marine or dairy products if it begins to operate such business before the 1st day of April, 2009.
27 (11B) The amount of deduction in the case of an undertaking deriving profits from the business of operating and maintaining a hospital in a rural area shall be hundred per cent. of the profits and gains of such business for a period of five consecutive assessment years, beginning with the initial assessment year, if-
(i) such hospital is constructed at any time during the period beginning on the 1st day of October, 2004 and ending on the 31st day of March, 2008;
(ii) the hospital has at least one hundred beds for patients;
(iii) the construction of the hospital is in accordance with the regulations, for the time being in force, of the local authority; and
(iv) the assessee furnishes along with the return of income, the report of audit in such form and containing such particulars as may be prescribed, and duly signed and verified by an accountant, as defined in the Explanation below sub-section (2) of section 288, certifying that the deduction has been correctly claimed.
Explanation.-For the purposes of this sub-section, a hospital shall be deemed to have been constructed on the date on which a completion certificate in respect of such construction is issued by the concerned local authority.
28 (11C) The amount of deduction in the case of an undertaking deriving profits from the business of operating and maintaining a hospital located anywhere in India, other than the excluded area, shall be hundred per cent of the profits and gains derived from such business for a period of five consecutive assessment years, beginning with the initial assessment year, if-
(i) the hospital is constructed and has started or starts functioning at any time during the period beginning on the 1st day of April, 2008 and ending on the 31st day of March, 2013;
(ii) the hospital has at least one hundred beds for patients;
(iii) the construction of the hospital is in accordance with the regulations or bye-laws of the local authority; and
(iv) the assessee furnishes along with the return of income, a report of audit in such form and containing such particulars, as may be prescribed, and duly signed and verified by an accountant, as defined in the Explanation to sub-section (2) of section 288, certifying that the deduction has been correctly claimed.
Explanation.-For the purposes of this sub-section-
(a) a hospital shall be deemed to have been constructed on the date on which a
completion certificate in respect of such construction is issued by the local
authority concerned;
(b) "initial assessment year" means the assessment year relevant to the previous year in which the business of the hospital starts functioning;
(c) "excluded area" shall mean an area comprising-
(i) Greater Mumbai urban agglomeration;
(ii) Delhi urban agglomeration;
(iii) Kolkata urban agglomeration;
(iv) Chennai urban agglomeration;
(v) Hyderabad urban agglomeration;
(vi) Bangalore urban agglomeration;
(vii) Ahmedabad urban agglomeration; (viii) District of Faridabad;
(ix) District of Gurgaon;
(x) District of Gautam Budh Nagar;
(xi) District of Ghaziabad;
(xii) District of Gandhinagar; and
(xiii) City of Secunderabad;
(d) the area comprising an urban agglomeration shall be the area included in such urban agglomeration on the basis of the 2001 census.
(12) Where any undertaking of an Indian company which is entitled to the deduction under this section is transferred, before the expiry of the period specified in this section, to another Indian company in a scheme of amalgamation or demerger-
(a) no deduction shall be admissible under this section to the amalgamating or the demerged company for the previous year in which the amalgamation or the demerger takes place; and
(b) the provisions of this section shall, as far as may be, apply to the amalgamated or the resulting company as they would have applied to the amalgamating or the demerged company if the amalgamation or demerger had not taken place.
(13) The provisions contained in sub-section (5) and sub-sections (7) to (12) of section 80-IA shall, so far as may be, apply to the eligible business under this section.
(14) For the purposes of this section,-
29 (a) "built-up area" means the inner measurements of the residential unit at
the floor level, including the projections and balconies, as increased by the
thickness of the walls but does not include the common areas shared with other
residential units;
30 (aa)"cold chain facility" means a chain of facilities for storage or transportation of agricultural produce under scientifically controlled conditions including refrigeration and other facilities necessary for the preservation of such produce;
31 32 (ab)"convention centre" means a building of a prescribed area comprising of convention halls to be used for the purpose of holding conferences and seminars, being of such size and number and having such other facilities and amenities, as may be prescribed;
(b) "hilly area" means any area located at a height of one thousand metres or more above the sea level;
(c) "initial assessment year"-
(i) in the case of an industrial undertaking or cold storage plant or ship or hotel, means the assessment year relevant to the previous year in which the industrial undertaking begins to manufacture or produce articles or things, or to operate its cold storage plant or plants or the cold chain facility or the ship is first brought into use or the business of the hotel starts functioning;
(ii) in the case of a company carrying on scientific and industrial research
and development, means the assessment year relevant to the previous year in
which the company is approved by the prescribed authority for the purposes of
sub-section (8);
(iii) in the case of an undertaking engaged in the business of commercial
production or refining of mineral oil referred to in sub-section (9), means the
assessment year relevant to the previous year in which the undertaking commences
the commercial production or refining of mineral oil;
33 (iv) in the case of an undertaking engaged 34 in the business of processing, preservation and packaging of fruits or vegetables or in the integrated business of handling, storage and transportation of foodgrains, means the assessment year relevant to the previous year in which the undertaking begins such business;
35 (v) in the case of a multiplex theatre, means the assessment year relevant to the previous year in which a cinema hall, being a part of the said multiplex theatre, starts operating on a commercial basis;
(vi) in the case of a convention centre, means the assessment year relevant
to the previous year in which the convention centre starts operating on a
commercial basis;
34 (vii) in the case of an undertaking engaged in operating and maintaining a
hospital in a rural area, means the assessment year relevant to the previous
year in which the undertaking begins to provide medical services;
(d) "North-Eastern Region" means the region comprising the States of Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Sikkim and Tripura;
35 (da) "multiplex theatre" means a building of a prescribed area, comprising of two or more cinema theatres and commercial shops of such size and number and having such other facilities and amenities as may be prescribed;
(e) "place of pilgrimage" means a place where any temple, mosque, gurdwara, church or other place of public worship of renown throughout any State or States is situated;
(f) "rural area" means any area other than-
(i) an area which is comprised within the jurisdiction of a municipality (whether known as a municipality, municipal corporation, notified area committee, town area committee or by any other name) or a cantonment board and which has a population of not less than ten thousand according to the preceding census of which relevant figures have been published before the first day of the previous year; or
(ii) an area within such distance not being more than fifteen kilometres from the local limits of any municipality or cantonment board referred to in sub-clause (i), as the Central Government may, having regard to the stage of development of such area including the extent of, and scope for, urbanisation of such area and other relevant considerations specify in this behalf by notification in the Official Gazette;
(g) "small-scale industrial undertaking" means an industrial undertaking
which is, as on the last day of the previous year, regarded as a small-scale
industrial undertaking under section 11B of the Industries (Development and
Regulation) Act, 1951 (65 of 1951).
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1. Subs. by Act 23 of 2004, s. 18, for (11) and (11A) (w.e.f. 1-4-2005).
Earlier (3) to (11) and (11A) subs. by Act 14 of 2001, s. 45 (w.e.f. 1-4-2002).
2. Subs. by Act 10 of 2000, s. 39, for 31st day of March, 2000 (w.e.f.
1-4-2001).
3. Subs. by Act 20 of 2002, s. 34, for 31st day of March, 2002 (w.e.f.
1-4-2003).
4. Ins. by Act 32 of 2003, s. 39 (w.e.f. 1-4-2004).
5. Subs. by Act 23 of 2004, s. 18, for the proviso (w.e.f. 1-4-2005).
6. Subs. by Act 22 of 2007, s. 29, for 31st day of March, 2007 (w.e.f.
1-4-2008).
7. Subs. by Act 20 of 2002, s. 34, for 31st day of March, 2002 (w.e.f.
1-4-2003).
8. Ins. by Act 20 of 2002, s. 34 (w.e.f. 1-4-2003).
9. Ins. by Act 10 of 2000, s. 39 (w.e.f. 1-4-2001).
10. Subs. by Act 18 of 2005, s. 27, for 1st day of April, 2005 (w.e.f.
1-4-2006). Earlier substituted by Act 23 of 2004, s. 18 (w.e.f. 1-4-2005), which
was substituted by 32 of 2003, s. 39 (w.e.f. 1-4-2004).
11. Subs. by Act 33 of 2009, s. 37, for sub-section (9) (w.e.f. 1-4-2000).
12. Ins. by Act 28 of 2016, s. 43 (w.e.f. 1-4-2017).
13. Ins. by Act 8 of 2011, s. 12 (w.e.f. 1-4-2012).
14. Ins. by Act 33 of 2009, s. 37 (w.e.f. 1-4-2009).
15. Ins. by s. 37 ibid. (w.e.f. 1-4-2010).
16. Subs. by Act 23 of 2004, s. 18, for sub-section (10) (w.e.f. 1-4-2005). As
later on amended by Act 10 of 2000, s. 29 (w.e.f. 1-4-2001).
17. Subs. by Act 33 of 2009, s. 37, for 31st day of March, 2007 (w.e.f.
1-4-2009).
18. Ins. by Act 14 of 2010, s. 27 (w.e.f. 1-4-2010).
19. Subs. by Act 33 of 2009, s. 37, for any other place; and (w.e.f. 1-4-2010).
20. Subs. by Act 14 of 2010, s. 27, for five per cent. (w.e.f. 1-4-2010).
21. Subs. by s. 27, ibid., for two thousand square feet, whichever is less (w.e.f.
1-4-2010).
22. Ins. by Act 33 of 2009, s. 37 (w.e.f. 1-4-2010).
23. Ins. by s. 37, ibid. (w.e.f. 1-4-2001).
24. Subs. by Act 32 of 2003, s. 39, for "31st day of March, 2004" (w.e.f.
1-4-2004).
25. Ins. by Act 14 of 2001, s. 45 (w.e.f. 1-4-2002).
26. Subs. by Act 23 of 2004, s. 18, for "an undertaking deriving profit from" (w.e.f.
1-4-2005).
27. Ins. by s. 18, ibid. (w.e.f. 1-4-2005).
28. Ins. by Act 18 of 2008, s. 18 (w.e.f. 1-4-2009).
29. Ins. by Act 23 of 2004, s. 18 (w.e.f. 1-4-2005).
30. Clause (a) re-lettered as clause (aa) thereof by s. 18, ibid. (w.e.f.
1-4-2005).
31. Ins. by Act 20 of 2002, s. 34 (w.e.f. 1-4-2003).
32. Clause (aa) re-lettered as clause (ab) thereof by Act 23 of 2004, s. 18 (w.e.f.
1-4-2005).
33. Ins. by Act 14 of 2001, s. 45 (w.e.f. 1-4-2002).
34. Ins. by Act 23 of 2004, s. 18 (w.e.f. 1-4-2005).
35. Ins. by Act 20 of 2002, s. 34 (w.e.f. 1-4-2003).
Official legislation and guidance
Verify legislative text and amendment histories through India Code and the Gazette of India. For income-tax law, forms, rules and departmental guidance, see the Income Tax Department and the official e-Filing portal. For the current law, review the Income-tax Act, 2025 and its schedules on the official government platforms.
Frequently asked questions
Does Section 80-IB allow a deduction for every new factory?
No. It required a specified eligible undertaking, an applicable commencement period and satisfaction of detailed statutory conditions.
Is the deduction calculated on turnover?
No. It was a percentage of profits and gains derived from the qualifying business, subject to statutory adjustments.
Did Section 80-IB cover housing projects?
Yes. Subsection (10) historically provided a 100% profit deduction for qualifying housing projects, subject to approval, completion, size, allotment and other rules.
Could hospitals claim a deduction?
Specified hospitals meeting the subsection (11B) or (11C) requirements historically qualified for a 100% deduction for five consecutive assessment years.
Can a business claim Section 80-IB simply because it operates in 2026?
No. Any claim requires examination of the applicable law, commencement conditions, remaining eligibility period and transitional provisions.
General legal information only. Tax treatment depends on the applicable assessment year, business facts, notifications and statutory amendments.
