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scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">523838</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-08-29</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="D_DetailofResolution1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">523838</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-08-29</xbrli:startDate><xbrli:endDate>2026-08-29</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain1</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_DetailofResolution1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">523838</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-08-29</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember 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dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain4</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:unit id="INR"><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unit><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><in-capmkt:NameOfTheCompany contextRef="MainI">SIMPLEX INFRASTRUCTURES LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:NSESymbol contextRef="MainI">SIMPLEXINF</in-capmkt:NSESymbol><in-capmkt:TypeOfAnnouncement contextRef="MainI">New</in-capmkt:TypeOfAnnouncement><in-capmkt:DateOfOccurrenceOfEvent contextRef="MainI">2026-09-23</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="MainI">15:00:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:DateOfReport contextRef="MainI">2026-08-29</in-capmkt:DateOfReport><in-capmkt:EventForNoticeOfShareholdersMeeting contextRef="MainI">Annual General Meeting</in-capmkt:EventForNoticeOfShareholdersMeeting><in-capmkt:ModeOfShareholdersMeeting contextRef="MainI">Video Conference (VC) or Other Audio-Visual Means (OAVM)</in-capmkt:ModeOfShareholdersMeeting><in-capmkt:NumberOfShareholdersMeeting contextRef="MainI">108</in-capmkt:NumberOfShareholdersMeeting><in-capmkt:DayOfShareholdersMeeting contextRef="MainI">Wednesday</in-capmkt:DayOfShareholdersMeeting><in-capmkt:DateOfShareholdersMeeting contextRef="MainI">2026-09-23</in-capmkt:DateOfShareholdersMeeting><in-capmkt:ShareholdersMeetingCommencementTime contextRef="MainI">03:00:00</in-capmkt:ShareholdersMeetingCommencementTime><in-capmkt:PlaceOfShareholdersMeeting contextRef="MainI">KOLKATA</in-capmkt:PlaceOfShareholdersMeeting><in-capmkt:NumberOfAgendaOrBusinessToBeTransacted contextRef="MainI" unitRef="pure" decimals="0">4</in-capmkt:NumberOfAgendaOrBusinessToBeTransacted><in-capmkt:TypeOfResolution contextRef="I_DetailofResolution1">Ordinary Resolution</in-capmkt:TypeOfResolution><in-capmkt:CategoryOfResolution contextRef="I_DetailofResolution1">Adoption of Financial Statements</in-capmkt:CategoryOfResolution><in-capmkt:BriefDetailsOfResolution contextRef="D_DetailofResolution1">To consider and adopt the Audited Financial Statements (including the audited Consolidated Financial Statements) of the Company for the Financial Year ended 31st March, 2026 and the Reports of the Board of Directors and Auditors thereon.</in-capmkt:BriefDetailsOfResolution><in-capmkt:TypeOfResolution contextRef="I_DetailofResolution2">Ordinary Resolution</in-capmkt:TypeOfResolution><in-capmkt:CategoryOfResolution contextRef="I_DetailofResolution2">Appointment/Re-appointment/Removal/Ratification/Retirement/Remuneration</in-capmkt:CategoryOfResolution><in-capmkt:SubCategoryOfResolution contextRef="I_DetailofResolution2">Retirement by rotation</in-capmkt:SubCategoryOfResolution><in-capmkt:BriefDetailsOfResolution contextRef="D_DetailofResolution2">To appoint a Director in place of Mr. Samiran Kumar Bhattacharyya (DIN-00112844), who retires by rotation and being eligible, offers his candidature for re-appointment.</in-capmkt:BriefDetailsOfResolution><in-capmkt:DesignationOfDesignatedPerson contextRef="I_DetailofResolution2">Executive Director</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="D_DetailofResolution2">SAMIRAN KUMAR BHATTACHARYYA</in-capmkt:NameOfDesignatedPerson><in-capmkt:DirectorIdentificationNumberOfDirector contextRef="D_DetailofResolution2">00112844</in-capmkt:DirectorIdentificationNumberOfDirector><in-capmkt:DateOfStartOfTenure contextRef="D_DetailofResolution2">2025-08-13</in-capmkt:DateOfStartOfTenure><in-capmkt:DateOfEndOfTenure contextRef="D_DetailofResolution2">2028-08-12</in-capmkt:DateOfEndOfTenure><in-capmkt:TypeOfResolution contextRef="I_DetailofResolution3">Ordinary Resolution</in-capmkt:TypeOfResolution><in-capmkt:CategoryOfResolution contextRef="I_DetailofResolution3">Others</in-capmkt:CategoryOfResolution><in-capmkt:SubCategoryOfResolution contextRef="I_DetailofResolution3">Others</in-capmkt:SubCategoryOfResolution><in-capmkt:DetailsOfOtherSubCategoryOfResolution contextRef="D_DetailofResolution3">Ratification of remuneration to Cost Auditors for financial year ending 31st March, 2027</in-capmkt:DetailsOfOtherSubCategoryOfResolution><in-capmkt:BriefDetailsOfResolution contextRef="D_DetailofResolution3">Ratification of remuneration to Cost Auditors for financial year ending 31st March, 2027</in-capmkt:BriefDetailsOfResolution><in-capmkt:TypeOfResolution contextRef="I_DetailofResolution4">Special Resolution</in-capmkt:TypeOfResolution><in-capmkt:CategoryOfResolution contextRef="I_DetailofResolution4">Appointment/Re-appointment/Removal/Ratification/Retirement/Remuneration</in-capmkt:CategoryOfResolution><in-capmkt:SubCategoryOfResolution contextRef="I_DetailofResolution4">Remuneration</in-capmkt:SubCategoryOfResolution><in-capmkt:BriefDetailsOfResolution contextRef="D_DetailofResolution4">Approval for payment of remuneration to Mr. Gurumurthy Ramanathan (Din-10366010),Non-Executive Nominee Director of the Company</in-capmkt:BriefDetailsOfResolution><in-capmkt:DesignationOfDesignatedPerson contextRef="I_DetailofResolution4">Non-Executive - Nominee Director</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="D_DetailofResolution4">GURUMURTHY RAMANATHAN</in-capmkt:NameOfDesignatedPerson><in-capmkt:DirectorIdentificationNumberOfDirector contextRef="D_DetailofResolution4">10366010</in-capmkt:DirectorIdentificationNumberOfDirector><in-capmkt:DateOfStartOfTenure contextRef="D_DetailofResolution4">2025-03-28</in-capmkt:DateOfStartOfTenure><in-capmkt:DateOfEndOfTenure contextRef="D_DetailofResolution4">2027-03-31</in-capmkt:DateOfEndOfTenure><in-capmkt:AmountOfRemuneration contextRef="D_DetailofResolution4" unitRef="INR" decimals="0">1000000</in-capmkt:AmountOfRemuneration></xbrli:xbrl>
