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dimension="in-capmkt:ResignationOfDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficerAxis"><in-capmkt:ResignationOfDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficerDomain>ResignationOfDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficerDomain2</in-capmkt:ResignationOfDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficerDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><in-capmkt:NSESymbol contextRef="MainI">BOROLTD</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">BOROSIL LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">543212</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE02PY01013</in-capmkt:ISIN><in-capmkt:WhetherDisclosureFiledForListedEntity contextRef="MainD">true</in-capmkt:WhetherDisclosureFiledForListedEntity><in-capmkt:RelationshipWithTheListedEntity contextRef="MainD">Listed Entity (self)</in-capmkt:RelationshipWithTheListedEntity><in-capmkt:WhetherEventOrInformationIsAnOutcomeOfBoardMeeting contextRef="MainD">true</in-capmkt:WhetherEventOrInformationIsAnOutcomeOfBoardMeeting><in-capmkt:DateOfBoardMeeting contextRef="MainD">2026-08-14</in-capmkt:DateOfBoardMeeting><in-capmkt:StartTimeOfBoardMeeting contextRef="MainD">15:05:00</in-capmkt:StartTimeOfBoardMeeting><in-capmkt:EndTimeOfBoardMeeting contextRef="MainD">16:40:00</in-capmkt:EndTimeOfBoardMeeting><in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported contextRef="MainI" unitRef="pure" decimals="0">4</in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported><in-capmkt:DateOfReport contextRef="MainI">2026-08-14</in-capmkt:DateOfReport><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement1">Cessation</in-capmkt:TypeOfChange><in-capmkt:CategoryOfCessation contextRef="D_ChangeInManagement1">Resignation</in-capmkt:CategoryOfCessation><in-capmkt:CategoryForChange contextRef="D_ChangeInManagement1">Key Managerial Personnel</in-capmkt:CategoryForChange><in-capmkt:DesignationOfDesignatedPerson contextRef="D_ChangeInManagement1">Company Secretary and Compliance Officer</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement1">Mr.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement1">Bhaunik Shah</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement1">2026-08-14</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:WhetherTheFurtherDisclosureForResignationOfStatutoryAuditorOrDirectorOrKMPsOrSMPOrComplianceOfficerIsToBeFiledAlongWithThisDisclosure contextRef="D_ChangeInManagement1">true</in-capmkt:WhetherTheFurtherDisclosureForResignationOfStatutoryAuditorOrDirectorOrKMPsOrSMPOrComplianceOfficerIsToBeFiledAlongWithThisDisclosure><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement2">Appointment</in-capmkt:TypeOfChange><in-capmkt:CategoryForChange contextRef="D_ChangeInManagement2">Key Managerial Personnel</in-capmkt:CategoryForChange><in-capmkt:DesignationOfDesignatedPerson contextRef="D_ChangeInManagement2">Company Secretary and Compliance Officer</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement2">Mr.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement2">Pradeep Joshi</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement2">2026-08-15</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:BriefProfile contextRef="D_ChangeInManagement2">Mr. Pradeep Joshi has over 25 years of extensive experience in corporate secretarial practice, governance, regulatory compliance, and listed company affairs. He has a proven track record of managing secretarial functions for listed companies and their subsidiaries and possesses extensive experience working closely with Boards, regulatory authorities, investors, and cross-functional leadership teams to strengthen governance standards and support organizational growth.

Before joining the Company, Mr. Joshi served as Chief General Manager (Company Law) &amp; Company Secretary at JK Paper Limited. Before that, he spent over two decades with Welspun Corp Limited as Associate Vice President (Secretarial) &amp; Company Secretary, where he led the secretarial function for multiple listed entities and group companies.

Mr. Joshi is a Member of the Institute of Company Secretaries of India (ICSI) and holds a Diploma in Business Management from IGNOU, an LL.B., and a Bachelor of Science degree from Devi Ahilya Vishwavidyalaya, Indore.</in-capmkt:BriefProfile><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement3">Appointment</in-capmkt:TypeOfChange><in-capmkt:CategoryForChange contextRef="D_ChangeInManagement3">Senior Management Personnel</in-capmkt:CategoryForChange><in-capmkt:DesignationOfDesignatedPerson contextRef="D_ChangeInManagement3">Vice President - Internal Audit</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement3">Mr.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement3">Parag Parekh</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement3">2026-08-14</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:BriefProfile contextRef="D_ChangeInManagement3">Mr. Parekh has over 22 years of experience in Internal Audit, Corporate Governance, Internal Controls, and Enterprise Risk Management across diverse industries. He has a proven track record of strengthening governance frameworks, enhancing risk management practices, and improving organizational effectiveness.
 
Prior to joining the Company, Mr. Parekh served as Vertical Head – Internal Audit for the Steel Downstream Business, JSW Motors, JSW ONE, and other Group Companies at JSW Group. Earlier in his career, he held leadership positions with Lodha Developers, Greaves Cotton Limited, Asia Motor Works Limited, Deloitte, TNT India Pvt. Ltd., and Hindustan Unilever.
 
Mr. Parekh is a Chartered Accountant (CA) and a Certified Internal Auditor (CIA). He has also completed executive leadership programs from Cornell University, IIM Ahmedabad, and ISB.</in-capmkt:BriefProfile><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement4">Cessation</in-capmkt:TypeOfChange><in-capmkt:CategoryOfCessation contextRef="D_ChangeInManagement4">Resignation</in-capmkt:CategoryOfCessation><in-capmkt:CategoryForChange contextRef="D_ChangeInManagement4">Senior Management Personnel</in-capmkt:CategoryForChange><in-capmkt:DesignationOfDesignatedPerson contextRef="D_ChangeInManagement4">Company Secretary and Compliance Officer</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement4">Mr.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement4">Bhaunik Shah</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement4">2026-08-14</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:WhetherTheFurtherDisclosureForResignationOfStatutoryAuditorOrDirectorOrKMPsOrSMPOrComplianceOfficerIsToBeFiledAlongWithThisDisclosure contextRef="D_ChangeInManagement4">true</in-capmkt:WhetherTheFurtherDisclosureForResignationOfStatutoryAuditorOrDirectorOrKMPsOrSMPOrComplianceOfficerIsToBeFiledAlongWithThisDisclosure><in-capmkt:Salutation contextRef="D_ResignationOfDirector1">Mr.</in-capmkt:Salutation><in-capmkt:NameOfTheDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficer contextRef="D_ResignationOfDirector1">Bhaunik Shah</in-capmkt:NameOfTheDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficer><in-capmkt:DesignationOfDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficer contextRef="D_ResignationOfDirector1">Company Secretary and Compliance Officer</in-capmkt:DesignationOfDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficer><in-capmkt:DateOnWhichTheResignationLetterWasReceived contextRef="D_ResignationOfDirector1">2026-08-04</in-capmkt:DateOnWhichTheResignationLetterWasReceived><in-capmkt:EffectiveDateOfResignation contextRef="I_ResignationOfDirector1">2026-08-14</in-capmkt:EffectiveDateOfResignation><in-capmkt:WhetherTheLetterOfResignationHasTheDetailedReasonForResignation contextRef="I_ResignationOfDirector1">true</in-capmkt:WhetherTheLetterOfResignationHasTheDetailedReasonForResignation><in-capmkt:ReasonOfResignationInBrief contextRef="D_ResignationOfDirector1">Mr. Bhaunik Shah has resigned from the position of Company Secretary (Key Managerial Personnel and Senior Management Personnel) &amp; Compliance Officer of the Company and from all other statutory/designated positions held by him in such capacity, with effect from the close of business hours on August 14, 2026, due to internal role re-alignment. He shall continue to remain in the employment of the Company.</in-capmkt:ReasonOfResignationInBrief><in-capmkt:Salutation contextRef="D_ResignationOfDirector2">Mr.</in-capmkt:Salutation><in-capmkt:NameOfTheDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficer contextRef="D_ResignationOfDirector2">Bhaunik Shah</in-capmkt:NameOfTheDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficer><in-capmkt:DesignationOfDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficer contextRef="D_ResignationOfDirector2">Company Secretary and Compliance Officer</in-capmkt:DesignationOfDirectorOrKeyManagerialPersonnelOrSeniorManagementPersonnelOrComplianceOfficer><in-capmkt:DateOnWhichTheResignationLetterWasReceived contextRef="D_ResignationOfDirector2">2026-08-04</in-capmkt:DateOnWhichTheResignationLetterWasReceived><in-capmkt:EffectiveDateOfResignation contextRef="I_ResignationOfDirector2">2026-08-14</in-capmkt:EffectiveDateOfResignation><in-capmkt:WhetherTheLetterOfResignationHasTheDetailedReasonForResignation contextRef="I_ResignationOfDirector2">true</in-capmkt:WhetherTheLetterOfResignationHasTheDetailedReasonForResignation><in-capmkt:ReasonOfResignationInBrief contextRef="D_ResignationOfDirector2">Mr. Bhaunik Shah has resigned from the position of Company Secretary (Key Managerial Personnel and Senior Management Personnel) &amp; Compliance Officer of the Company and from all other statutory/designated positions held by him in such capacity, with effect from the close of business hours on August 14, 2026, due to internal role re-alignment. He shall continue to remain in the employment of the Company.</in-capmkt:ReasonOfResignationInBrief></xbrli:xbrl>
