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unitRef="INRPerShare">1</in-capmkt:FaceValueOfEquityShareCapital><in-capmkt:BasicEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0.14</in-capmkt:BasicEarningsLossPerShareFromContinuingOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0.14</in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations><in-capmkt:BasicEarningsLossPerShareFromDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:BasicEarningsLossPerShareFromDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:DilutedEarningsLossPerShareFromDiscontinuedOperations><in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0.14</in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0.14</in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DebtEquityRatio contextRef="OneD" decimals="INF" unitRef="pure">0.0027</in-capmkt:DebtEquityRatio><in-capmkt:DebtServiceCoverageRatio contextRef="OneD" decimals="INF" unitRef="pure">0.0111</in-capmkt:DebtServiceCoverageRatio><in-capmkt:InterestServiceCoverageRatio contextRef="OneD" decimals="INF" unitRef="pure">0.0206</in-capmkt:InterestServiceCoverageRatio><in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">1) The standalone unaudited financial results (‘results’) of Hindustan Construction Company Limited (hereinafter referred to as the ‘Company’) and its joint operations for the quarter ended June 30, 2026 have been prepared in accordance with the recognition and measurement principles laid down in Indian Accounting Standard prescribed under Section 133 of the Companies Act, 2013 (‘the Act’) and other recognized accounting practices generally accepted in India. The aforesaid results are in compliance with regulation 33 and Regulation 52 read with Regulation 63 of SEBI (Listing Obligation and Disclosure Requirement) Regulation, 2015 as amended (‘the Listing Regulations’). The material accounting policies applied in preparation of these results are consistent with those followed in the annual standalone financial statements for the year ended March 31, 2026. These results have been reviewed by the Audit Committee and subsequently approved by the Board of Directors of the Company at its meeting held on August 06, 2026. These results have been subjected to limited review by statutory auditor. &lt;br /&gt; 
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2) The Company is engaged in the business of “Engineering and Construction”. There are no other reportable segments for the Company as per requirements of Ind AS 108 ‘Operating Segment’. &lt;br /&gt; 
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3) The Company's business is seasonal in character and as a result, margins in the quarterly results vary, including due to the nature of its business and consequent to receipt of awards/claims or events which may lead to revision in cost to completion. Accordingly, the quarterly results may not be strictly comparable. &lt;br /&gt; 
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4) The total balance value of work on hand as at June 30, 2026 is Rs.12,976 crore (March 31, 2026: Rs.12,971 crore). &lt;br /&gt; 
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5) 'Unbilled work-in-progress (contract assets), current trade receivables and non-current trade receivables outstanding as on June 30, 2026, includes Rs.102.03 crore, Rs.24.21 crore and Rs.57.52 crore, respectively (March 31, 2026: includes Rs.115.71 crore, Rs.24.21 crore and Rs.57.52 crore, respectively), representing receivables from customers based on the terms and conditions implicit in the contracts and other receivables in respect of closed/substantially closed projects of the Company. These receivables are mainly in respect of the cost over-run arising due to client caused delays, deviation in design and change in scope of work, for which the Company is at various stages of negotiation/discussion with the clients or under arbitration/ litigation. Considering the contractual tenability, progress of negotiations/discussions/arbitration/litigations and as legally advised in certain contentious matters, the Company is confident that these receivables are good and fully recoverable. &lt;br /&gt; 
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6) 'As at June 30, 2026, the Company has an investment (including deemed investments) in its wholly owned subsidiary, HCC Infrastructure Company Limited (‘HICL’) amounting to Rs.1,096.22 crore (March 31, 2026: Rs.1,152.77 crore). While the consolidated net worth of HICL as at June 30, 2026 has been substantially eroded, the management has assessed the fair value of HICL based on a valuation report from an independent valuation expert at year ended March 31, 2026. The valuation includes significant judgements and estimates in respect of future business plans, outcome of litigations for favourable arbitration awards and expected share of future revenues of erstwhile subsidiaries. Accordingly, based on the aforementioned valuation report, management believes that the recoverable amount of investment in HICL is higher than its carrying value. Statutory auditors’ report is modified in respect of this matter. &lt;br /&gt; 
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7) As at June 30, 2026, the Company has net deferred tax assets amounting to Rs.163.55 crore (March 31, 2026: Rs.173.91 crore), which mainly represents deferred tax assets on carried forward unused tax losses/unabsorbed depreciation and other taxable temporary differences. The Company is confident of generating sufficient taxable profits from the unexecuted orders on hand/future projects and expected realisation of claims/arbitration awards against which such deferred tax assets can be utilised and therefore considered good and recoverable. Statutory auditors’ report is modified in respect of this matter. &lt;br /&gt; 
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8) Exceptional items represent: &lt;br /&gt; 
 &lt;br /&gt; 
a) The Company carries its investment in HRL Thane Real Estate Limited (‘HRL Thane’), a wholly owned subsidiary of the Company, in the books considering the underlying net asset value, primarily comprising land held by HRL Thane. During the quarter ended March 31, 2026, the HRL Thane has executed a Memorandum of Understanding for sale of the land at a value lower than earlier assessed estimates. Accordingly, the Company reviewed the carrying value of its investment and recognized an impairment charge of Rs.35.63 crore as an exceptional item in above financial results for the quarter and year ended March 31, 2026. &lt;br /&gt; 
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b) Effective November 21, 2025, the Government of India consolidated 29 existing labour regulations into four Labour codes, namely, The Code on Wages, 2019, The Industrial Relations Code, 2020, The Code on Social Security, 2020 and the Occupational Safety, Health and Working Conditions Code, 2020, collectively referred to as the ‘New Labour Codes’. In accordance with the requirements of Ind AS 19 ‘Employee Benefits’, these changes have resulted in an estimated increase in the past service cost of gratuity and compensated absence by Rs.11.28 crore. Considering that the enactment of the new legislation is a non-recurring event, the Company has presented this one-time charge under ‘Exceptional Item’ for year ended March 31, 2026. &lt;br /&gt; 
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c) In prior years, pursuant to a resolution plan agreed with its lenders, the Company transferred certain debt obligations to Prolific Resolution Private Limited (‘PRPL’). PRPL, in turn, issued and allotted non-convertible debentures aggregating to Rs.2,854.40 crore to its lenders. During the year ended March 31, 2026, following receipt of requisite approvals from PRPL’s lenders, its Board of Directors, and other relevant stakeholders, the corporate guarantee was reduced from 100% of the outstanding debt to Rs.570.88 crore, equivalent to 20% of the principal debt amount. Consequently, the Company has written back Rs.49.09 crore from the liability earlier recognized in respect of the corporate guarantee, in accordance with the requirements of Ind AS 109 ‘Financial Instruments’ and the same has been shown as gain under “Exceptional items” for the year ended March 31, 2026. &lt;br /&gt; 
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9) Figures for the quarters ended March 31, 2026 are the balancing figures between the audited standalone figures for the year ended on that date and the published unaudited year-to-date figures up to the nine months period ended December 31, 2025, which were subjected to limited review by the statutory auditors. &lt;br /&gt; 
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10) Figures for the previous period/year have been regrouped/reclassified to conform to the current period's presentation, wherever considered necessary. The impact of such regroupings/reclassifications is not material to these standalone unaudited financial results.</in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses1D">Subcontracting expenses</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses1D" decimals="-5" unitRef="INR">5586300000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses2D">Other expenses</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses2D" decimals="-5" unitRef="INR">959200000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11">- Gain/(loss) on remeasurement of defined benefit plans</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11" decimals="-5" unitRef="INR">100000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss12">- Gain/(loss) on fair value of equity instruments</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss12" decimals="-6" unitRef="INR">118000000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="OneD" decimals="-5" unitRef="INR">118100000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">16900000</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-7" unitRef="INR">0</in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss><in-capmkt:OtherComprehensiveIncome contextRef="OneD" decimals="-5" unitRef="INR">101200000</in-capmkt:OtherComprehensiveIncome><in-capmkt:ModeOfFundRaising contextRef="StatementStatic1I">Rights Issues</in-capmkt:ModeOfFundRaising><in-capmkt:DateOfFundsRaising contextRef="StatementStatic1I">2025-12-22</in-capmkt:DateOfFundsRaising><in-capmkt:AmountRaised contextRef="StatementStatic1I" decimals="-5" unitRef="INR">9999900000</in-capmkt:AmountRaised><in-capmkt:DateOfEndOfReportingPeriod contextRef="StatementStatic1D">2026-06-30</in-capmkt:DateOfEndOfReportingPeriod><in-capmkt:MonitoringAgency contextRef="StatementStatic1D">true</in-capmkt:MonitoringAgency><in-capmkt:NameOfMonitoringAgency contextRef="StatementStatic1I">Care Ratings Ltd</in-capmkt:NameOfMonitoringAgency><in-capmkt:IsThereADeviationOrVariationInUseOfFundsRaised contextRef="StatementStatic1D">false</in-capmkt:IsThereADeviationOrVariationInUseOfFundsRaised><in-capmkt:ExplanationForTheDeviationOrVariation contextRef="StatementStatic1I">Not Applicable</in-capmkt:ExplanationForTheDeviationOrVariation><in-capmkt:CommentsOfTheAuditCommitteeAfterReview contextRef="StatementStatic1I">false</in-capmkt:CommentsOfTheAuditCommitteeAfterReview><in-capmkt:CommentsOfTheAuditors contextRef="StatementStatic1I">false</in-capmkt:CommentsOfTheAuditors><in-capmkt:NameOfSignatoryOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised contextRef="OneD">Nitesh Kumar Jha</in-capmkt:NameOfSignatoryOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised><in-capmkt:DesignationOfPersonOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised contextRef="OneD">Company Secretary</in-capmkt:DesignationOfPersonOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised><in-capmkt:PlaceOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised contextRef="OneD">Mumbai</in-capmkt:PlaceOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised><in-capmkt:DateOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised contextRef="OneI">2026-08-06</in-capmkt:DateOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised><in-capmkt:OriginalObject contextRef="StatementDynamic1I1">Repayment and/ or pre-payment, in full or in part, of certain outstanding borrowings availed by our Company</in-capmkt:OriginalObject><in-capmkt:ModifiedObject contextRef="StatementDynamic1I1">NA</in-capmkt:ModifiedObject><in-capmkt:OriginalAllocation contextRef="StatementDynamic1I1" decimals="-7" unitRef="INR">6250000000</in-capmkt:OriginalAllocation><in-capmkt:ModifiedAllocation contextRef="StatementDynamic1I1" decimals="-7" unitRef="INR">0</in-capmkt:ModifiedAllocation><in-capmkt:FundsUtilised contextRef="StatementDynamic1I1" decimals="-7" unitRef="INR">6250000000</in-capmkt:FundsUtilised><in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject contextRef="StatementDynamic1I1" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject><in-capmkt:OriginalObject contextRef="StatementDynamic1I2">Investment in our Joint Venture, Prolific Resolution Private Limited, for repayment/prepayment, in full or in part, of certain outstanding borrowings availed by Prolific Resolution Private Limited</in-capmkt:OriginalObject><in-capmkt:ModifiedObject contextRef="StatementDynamic1I2">NA</in-capmkt:ModifiedObject><in-capmkt:OriginalAllocation contextRef="StatementDynamic1I2" decimals="-7" unitRef="INR">2000000000</in-capmkt:OriginalAllocation><in-capmkt:ModifiedAllocation contextRef="StatementDynamic1I2" decimals="-7" unitRef="INR">0</in-capmkt:ModifiedAllocation><in-capmkt:FundsUtilised contextRef="StatementDynamic1I2" decimals="-7" unitRef="INR">2000000000</in-capmkt:FundsUtilised><in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject contextRef="StatementDynamic1I2" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject><in-capmkt:OriginalObject contextRef="StatementDynamic1I3">Augmenting the working capital requirements of our Company</in-capmkt:OriginalObject><in-capmkt:ModifiedObject contextRef="StatementDynamic1I3">NA</in-capmkt:ModifiedObject><in-capmkt:OriginalAllocation contextRef="StatementDynamic1I3" decimals="-7" unitRef="INR">1000000000</in-capmkt:OriginalAllocation><in-capmkt:ModifiedAllocation contextRef="StatementDynamic1I3" decimals="-7" unitRef="INR">0</in-capmkt:ModifiedAllocation><in-capmkt:FundsUtilised contextRef="StatementDynamic1I3" decimals="-7" unitRef="INR">1000000000</in-capmkt:FundsUtilised><in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject contextRef="StatementDynamic1I3" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject><in-capmkt:OriginalObject contextRef="StatementDynamic1I4">General corporate purposes</in-capmkt:OriginalObject><in-capmkt:ModifiedObject contextRef="StatementDynamic1I4">NA</in-capmkt:ModifiedObject><in-capmkt:OriginalAllocation contextRef="StatementDynamic1I4" decimals="-5" unitRef="INR">355400000</in-capmkt:OriginalAllocation><in-capmkt:ModifiedAllocation contextRef="StatementDynamic1I4" decimals="-7" unitRef="INR">0</in-capmkt:ModifiedAllocation><in-capmkt:FundsUtilised contextRef="StatementDynamic1I4" decimals="-5" unitRef="INR">365600000</in-capmkt:FundsUtilised><in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject contextRef="StatementDynamic1I4" decimals="-5" unitRef="INR">10200000</in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject><in-capmkt:DisclosureNotesOnObjectsForWhichFundsHaveBeenRaisedAndWhereThereHasBeenADeviation contextRef="StatementDynamic1I4">The company fully utilized Rs.35.54 crore towards General Corporate Purposes, in line with objects of the offer. Further, the unutilized issue expenses of Rs.1.02 crore were used towards GCP during Q1FY27.</in-capmkt:DisclosureNotesOnObjectsForWhichFundsHaveBeenRaisedAndWhereThereHasBeenADeviation></xbrli:xbrl>