<?xml version="1.0" encoding="utf-8"?>
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.xbrl.org/2003/linkbase">
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="815600CD933CB2F89862-2024-12-31.xsd#idn_NonCurrentAssetsForEmployeeBenefits" xlink:label="idn_NonCurrentAssetsForEmployeeBenefits" />
    <loc xlink:type="locator" xlink:href="815600CD933CB2F89862-2024-12-31.xsd#idn_ConstructionContractsAssets" xlink:label="idn_ConstructionContractsAssets" />
    <loc xlink:type="locator" xlink:href="815600CD933CB2F89862-2024-12-31.xsd#idn_ConstructionContractsLiabilities" xlink:label="idn_ConstructionContractsLiabilities" />
    <loc xlink:type="locator" xlink:href="815600CD933CB2F89862-2024-12-31.xsd#idn_ImpairmentLossesRevaluationAndProvisionsForRisksAndCharges" xlink:label="idn_ImpairmentLossesRevaluationAndProvisionsForRisksAndCharges" />
    <loc xlink:type="locator" xlink:href="815600CD933CB2F89862-2024-12-31.xsd#idn_ChangeInTradeReceivablesAndConstructionContracts" xlink:label="idn_ChangeInTradeReceivablesAndConstructionContracts" />
    <loc xlink:type="locator" xlink:href="815600CD933CB2F89862-2024-12-31.xsd#idn_ChangeInOtherReceivablesPayables" xlink:label="idn_ChangeInOtherReceivablesPayables" />
    <loc xlink:type="locator" xlink:href="815600CD933CB2F89862-2024-12-31.xsd#idn_ChangeInProvisionsAndEmployeeBenefits" xlink:label="idn_ChangeInProvisionsAndEmployeeBenefits" />
    <loc xlink:type="locator" xlink:href="815600CD933CB2F89862-2024-12-31.xsd#idn_InterestAndOtherFinanceExpensesPaid" xlink:label="idn_InterestAndOtherFinanceExpensesPaid" />
    <loc xlink:type="locator" xlink:href="815600CD933CB2F89862-2024-12-31.xsd#idn_InterestAndOtherFinanceIncomeReceived" xlink:label="idn_InterestAndOtherFinanceIncomeReceived" />
    <loc xlink:type="locator" xlink:href="815600CD933CB2F89862-2024-12-31.xsd#idn_PurchaseProceedsOfInteretsInAssociates" xlink:label="idn_PurchaseProceedsOfInteretsInAssociates" />
    <loc xlink:type="locator" xlink:href="815600CD933CB2F89862-2024-12-31.xsd#idn_IncreaseorDecreaseInFinancialAssets" xlink:label="idn_IncreaseorDecreaseInFinancialAssets" />
    <labelArc xlink:type="arc" xlink:from="idn_NonCurrentAssetsForEmployeeBenefits" xlink:to="label_idn_idnNonCurrentAssetsForEmployeeBenefits_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="idn_ConstructionContractsAssets" xlink:to="label_idn_idnConstructionContractsAssets_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="idn_ConstructionContractsLiabilities" xlink:to="label_idn_idnConstructionContractsLiabilities_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="idn_ImpairmentLossesRevaluationAndProvisionsForRisksAndCharges" xlink:to="label_idn_idnImpairmentLossesRevaluationAndProvisionsForRisksAndCharges_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="idn_ChangeInTradeReceivablesAndConstructionContracts" xlink:to="label_idn_idnChangeInTradeReceivablesAndConstructionContracts_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="idn_ChangeInOtherReceivablesPayables" xlink:to="label_idn_idnChangeInOtherReceivablesPayables_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="idn_ChangeInProvisionsAndEmployeeBenefits" xlink:to="label_idn_idnChangeInProvisionsAndEmployeeBenefits_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="idn_InterestAndOtherFinanceExpensesPaid" xlink:to="label_idn_idnInterestAndOtherFinanceExpensesPaid_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="idn_InterestAndOtherFinanceIncomeReceived" xlink:to="label_idn_idnInterestAndOtherFinanceIncomeReceived_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="idn_PurchaseProceedsOfInteretsInAssociates" xlink:to="label_idn_idnPurchaseProceedsOfInteretsInAssociates_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="idn_IncreaseorDecreaseInFinancialAssets" xlink:to="label_idn_idnIncreaseorDecreaseInFinancialAssets_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <label xlink:label="label_idn_idnNonCurrentAssetsForEmployeeBenefits_Standard" id="idn_idnNonCurrentAssetsForEmployeeBenefits_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Non current assets for employee benefits</label>
    <label xlink:label="label_idn_idnConstructionContractsAssets_Standard" id="idn_idnConstructionContractsAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Construction contracts assets</label>
    <label xlink:label="label_idn_idnConstructionContractsLiabilities_Standard" id="idn_idnConstructionContractsLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Construction contracts liabilities</label>
    <label xlink:label="label_idn_idnImpairmentLossesRevaluationAndProvisionsForRisksAndCharges_Standard" id="idn_idnImpairmentLossesRevaluationAndProvisionsForRisksAndCharges_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Impairment (losses/revaluation) and provisions for risks and charges</label>
    <label xlink:label="label_idn_idnChangeInTradeReceivablesAndConstructionContracts_Standard" id="idn_idnChangeInTradeReceivablesAndConstructionContracts_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Change In Trade Receivables And Construction Contracts</label>
    <label xlink:label="label_idn_idnChangeInOtherReceivablesPayables_Standard" id="idn_idnChangeInOtherReceivablesPayables_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Change In Other Receivables/Payables</label>
    <label xlink:label="label_idn_idnChangeInProvisionsAndEmployeeBenefits_Standard" id="idn_idnChangeInProvisionsAndEmployeeBenefits_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Change In Provisions And Employee Benefits</label>
    <label xlink:label="label_idn_idnInterestAndOtherFinanceExpensesPaid_Standard" id="idn_idnInterestAndOtherFinanceExpensesPaid_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Interest and other finance expenses paid</label>
    <label xlink:label="label_idn_idnInterestAndOtherFinanceIncomeReceived_Standard" id="idn_idnInterestAndOtherFinanceIncomeReceived_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Interest and other finance income received</label>
    <label xlink:label="label_idn_idnPurchaseProceedsOfInteretsInAssociates_Standard" id="idn_idnPurchaseProceedsOfInteretsInAssociates_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Purchase proceeds of interets in associates</label>
    <label xlink:label="label_idn_idnIncreaseorDecreaseInFinancialAssets_Standard" id="idn_idnIncreaseorDecreaseInFinancialAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Increase (Decrease) In Financial Assets</label>
  </labelLink>
</linkbase>