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<xbrli:context id="OneReportableSegmentAssets03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">NBCC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2020-01-01</xbrli:startDate><xbrli:endDate>2020-03-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentAssetsAxis">in-bse-fin:OneReportableSegmentAssets03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
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<xbrli:context id="OneReportableSegmentLiabilities03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">NBCC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2020-01-01</xbrli:startDate><xbrli:endDate>2020-03-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
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<xbrli:context id="OneItemsThatWillNotBeReclassifiedToProfitAndLoss02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">NBCC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2020-01-01</xbrli:startDate><xbrli:endDate>2020-03-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-bse-fin:ItemsThatWillNotBeReclassifiedToProfitAndLossAxis"><ItemsThatWillNotBeReclassifiedToProfitAndLossDomain>in-bse-fin:OneItemsThatWillNotBeReclassifiedToProfitAndLoss02Member</ItemsThatWillNotBeReclassifiedToProfitAndLossDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourItemsThatWillNotBeReclassifiedToProfitAndLoss01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">NBCC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2020-01-01</xbrli:startDate><xbrli:endDate>2020-03-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-bse-fin:ItemsThatWillNotBeReclassifiedToProfitAndLossAxis"><ItemsThatWillNotBeReclassifiedToProfitAndLossDomain>in-bse-fin:FourItemsThatWillNotBeReclassifiedToProfitAndLoss01Member</ItemsThatWillNotBeReclassifiedToProfitAndLossDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourItemsThatWillNotBeReclassifiedToProfitAndLoss02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">NBCC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2020-01-01</xbrli:startDate><xbrli:endDate>2020-03-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-bse-fin:ItemsThatWillNotBeReclassifiedToProfitAndLossAxis"><ItemsThatWillNotBeReclassifiedToProfitAndLossDomain>in-bse-fin:FourItemsThatWillNotBeReclassifiedToProfitAndLoss02Member</ItemsThatWillNotBeReclassifiedToProfitAndLossDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneItemsThatWillBeReclassifiedToProfitAndLoss01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">NBCC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2020-01-01</xbrli:startDate><xbrli:endDate>2020-03-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-bse-fin:ItemsThatWillBeReclassifiedToProfitAndLossAxis"><ItemsThatWillBeReclassifiedToProfitAndLossDomain>in-bse-fin:OneItemsThatWillBeReclassifiedToProfitAndLoss01Member</ItemsThatWillBeReclassifiedToProfitAndLossDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneItemsThatWillBeReclassifiedToProfitAndLoss02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">NBCC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2020-01-01</xbrli:startDate><xbrli:endDate>2020-03-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-bse-fin:ItemsThatWillBeReclassifiedToProfitAndLossAxis"><ItemsThatWillBeReclassifiedToProfitAndLossDomain>in-bse-fin:OneItemsThatWillBeReclassifiedToProfitAndLoss02Member</ItemsThatWillBeReclassifiedToProfitAndLossDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context>
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<xbrli:unit id="INR"><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unit><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><xbrli:unit id="shares"><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unit><xbrli:unit id="INRPerShare"><xbrli:divide><xbrli:unitNumerator><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unitNumerator><xbrli:unitDenominator><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unitDenominator></xbrli:divide></xbrli:unit>
<in-bse-fin:Symbol contextRef="OneD">NBCC</in-bse-fin:Symbol>
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<in-bse-fin:DescriptionOfPresentationCurrency contextRef="OneD">INR</in-bse-fin:DescriptionOfPresentationCurrency>
<in-bse-fin:LevelOfRoundingUsedInFinancialStatements contextRef="OneD">Lakhs</in-bse-fin:LevelOfRoundingUsedInFinancialStatements>
<in-bse-fin:ReportingQuarter contextRef="OneD">Yearly</in-bse-fin:ReportingQuarter>
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<in-bse-fin:DateOfStartOfReportingPeriod contextRef="OneD">2020-01-01</in-bse-fin:DateOfStartOfReportingPeriod>
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<in-bse-fin:NatureOfReportStandaloneConsolidated contextRef="OneD">Standalone</in-bse-fin:NatureOfReportStandaloneConsolidated>
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<in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">1.¿The above results have been reviewed by the Audit Committee and approved by the Board of Directors at their meeting held on July 6, 2020.¿2.¿The financial results for the year ended March 31, 2020 have been audited by the statutory auditors of the company. The statutory auditors have expressed an unmodified opinion.¿3.¿The Board of Directors has recommended a Final Dividend of Rs. 0.135 per equity share on face value of Re.1.00 per equity share for the financial year 2019-20.¿4.¿The Company has adopted Ind AS 116, 'Leases' effective from April 1, 2019 using modified retrospective transition method and therefore comparatives have not been restated. The adoption of Ind AS 116 resulted in recognition of Right of Use Asset of Rs. 4,790.54 lakhs out of which Rs. 4,745.15 lakhs is as a result of reclassification from Property, Plant and Equipments.¿5.¿On April 1, 2019, the Company has adopted Appendix C of Ind AS 12, applied to all tax disputes pending with the tax authorities as at April 1, 2019. The transition was effected using modified retrospective transition method. Accordingly, comparative information has not been restated. The adoption of Appendix C of Ind AS 12 has resulted in reduction of Rs. 276.09 lakhs from retained earnings on the date of initial application i.e. on April 1, 2019. The tax expense for the year ended on March 31, 2020 is higher by Rs. 20.79 lakhs.6.¿The Company has elected to exercise the option permitted under section 115BAA of the Income Tax Act, 1961. Accordingly, the Company has recognised tax provision and re-measured its deferred tax assets/ liabilities, basis at the rates prescribed in the said section and taken the full effect. As a result, tax expenses for the year ended March 31, 2020 is higher by Rs. 10,791.42 lakhs.</in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock>
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<in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="FourD">1.¿The above results have been reviewed by the Audit Committee and approved by the Board of Directors at their meeting held on July 6, 2020.¿2.¿The financial results for the year ended March 31, 2020 have been audited by the statutory auditors of the company. The statutory auditors have expressed an unmodified opinion.¿3.¿The Board of Directors has recommended a Final Dividend of Rs. 0.135 per equity share on face value of Re.1.00 per equity share for the financial year 2019-20.¿4.¿The Company has adopted Ind AS 116, 'Leases' effective from April 1, 2019 using modified retrospective transition method and therefore comparatives have not been restated. The adoption of Ind AS 116 resulted in recognition of Right of Use Asset of Rs. 4,790.54 lakhs out of which Rs. 4,745.15 lakhs is as a result of reclassification from Property, Plant and Equipments.¿5.¿On April 1, 2019, the Company has adopted Appendix C of Ind AS 12, applied to all tax disputes pending with the tax authorities as at April 1, 2019. The transition was effected using modified retrospective transition method. Accordingly, comparative information has not been restated. The adoption of Appendix C of Ind AS 12 has resulted in reduction of Rs. 276.09 lakhs from retained earnings on the date of initial application i.e. on April 1, 2019. The tax expense for the year ended on March 31, 2020 is higher by Rs. 20.79 lakhs.6.¿The Company has elected to exercise the option permitted under section 115BAA of the Income Tax Act, 1961. Accordingly, the Company has recognised tax provision and re-measured its deferred tax assets/ liabilities, basis at the rates prescribed in the said section and taken the full effect. As a result, tax expenses for the year ended March 31, 2020 is higher by Rs. 10,791.42 lakhs.</in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentRevenue01D">EPC</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentRevenue02D">PMC</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentRevenue03D">Real Estate</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue01D">EPC</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue02D">PMC</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue03D">Real Estate</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults01D">EPC</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults02D">PMC</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults03D">Real Estate</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults01D">EPC</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults02D">PMC</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourReportableSegmentResults02D" unitRef="INR" decimals="-5">2199800000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults03D">Real Estate</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock contextRef="OneD">The Company has reported segment information as per Ind AS 108  Operating Segments . The Company has identified three service line as its operating segments¿ i.e. Project Management Consultancy (PMC), Real Estate and Engineering, Procurement &amp; Construction (EPC). These operating segments are monitored by the Company's Chief Operating Decision Maker and strategic decisions are made on the basis of segment operating results.¿</in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentAssets02D">PMC</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentAssets contextRef="OneReportableSegmentAssets02D" unitRef="INR" decimals="-5">35705744000.00</in-bse-fin:SegmentAssets>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentAssets03D">Real Estate</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentAssets contextRef="OneReportableSegmentAssets03D" unitRef="INR" decimals="-5">18042236000.00</in-bse-fin:SegmentAssets>
<in-bse-fin:UnAllocableAssets contextRef="OneI" unitRef="INR" decimals="-5">17404318000.00</in-bse-fin:UnAllocableAssets>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentLiabilities01D">EPC</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentLiabilities contextRef="OneReportableSegmentLiabilities01I" unitRef="INR" decimals="-5">5233827000.00</in-bse-fin:SegmentLiabilities>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentLiabilities02D">PMC</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentLiabilities contextRef="OneReportableSegmentLiabilities02I" unitRef="INR" decimals="-5">51456046000.00</in-bse-fin:SegmentLiabilities>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentLiabilities03D">Real Estate</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentLiabilities contextRef="OneReportableSegmentLiabilities03I" unitRef="INR" decimals="-5">3174273000.00</in-bse-fin:SegmentLiabilities>
<in-bse-fin:UnAllocableLiabilities contextRef="OneI" unitRef="INR" decimals="-5">2553631000.00</in-bse-fin:UnAllocableLiabilities>
<in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock contextRef="FourD">The Company has reported segment information as per Ind AS 108  Operating Segments . The Company has identified three service line as its operating segments¿ i.e. Project Management Consultancy (PMC), Real Estate and Engineering, Procurement &amp; Construction (EPC). These operating segments are monitored by the Company's Chief Operating Decision Maker and strategic decisions are made on the basis of segment operating results.¿</in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock>
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