<?xml version="1.0" encoding="UTF-8"?>
<xbrli:xbrl xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2022-04-30/in-capmkt" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Changes_In_Management/2022-04-30/in-capmkt/in-capmkt-ent" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:in-capmkt-types="https://www.sebi.gov.in/xbrl/2022-04-30/in-capmkt-types" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:net="http://www.xbrl.org/2009/role/net" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xl="http://www.w3.org/1999/xlink">
<link:schemaRef xlink:type="simple" xlink:href="in-capmkt-ent-2022-04-30.xsd"/>
<xbrli:context id="ChangeInManagement001D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">RAILTEL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-14</xbrli:startDate><xbrli:endDate>2026-04-14</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain1</in-capmkt:ChangeInManagementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context>
<xbrli:context id="ChangeInManagement001I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">RAILTEL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-14</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain1</in-capmkt:ChangeInManagementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context>
<xbrli:context id="ChangeInManagement002D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">RAILTEL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-14</xbrli:startDate><xbrli:endDate>2026-04-14</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain2</in-capmkt:ChangeInManagementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context>
<xbrli:context id="ChangeInManagement002I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">RAILTEL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-14</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain2</in-capmkt:ChangeInManagementDomain></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><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-capmkt:NSESymbol contextRef="OneI">RAILTEL</in-capmkt:NSESymbol>
<in-capmkt:NameOfTheCompany contextRef="OneI">RAILTEL CORPORATION OF INDIA LIMITED</in-capmkt:NameOfTheCompany>
<in-capmkt:ReasonOfChange contextRef="ChangeInManagement001D">Appointment</in-capmkt:ReasonOfChange>
<in-capmkt:Designation contextRef="ChangeInManagement001D">Others</in-capmkt:Designation>
<in-capmkt:NameOfThePersonOrAuditorOrAuditFirmOrRTA contextRef="ChangeInManagement001D">R S Mani</in-capmkt:NameOfThePersonOrAuditorOrAuditFirmOrRTA>
<in-capmkt:EffectiveDateOfAppointmentOrResignationOrRemovalOrDisqualificationOrCessationOrVacationOfOfficeDueToStatutoryAuthorityOrderOrAdditionalChargeOrChangeInDesignation contextRef="ChangeInManagement001I">2026-04-13</in-capmkt:EffectiveDateOfAppointmentOrResignationOrRemovalOrDisqualificationOrCessationOrVacationOfOfficeDueToStatutoryAuthorityOrderOrAdditionalChargeOrChangeInDesignation>
<in-capmkt:TermOfAppointment contextRef="ChangeInManagement001D">0</in-capmkt:TermOfAppointment>
<in-capmkt:BriefProfile contextRef="ChangeInManagement001D">Shri RS Mani is the Chief Technology Officer (CTO) at RailTel Corporation of India Limited. An engineering graduate from BITS Pilani, he is a distinguished professional with over 39 years of experience in technology design, implementation, and strategic leadership within the Government of India. Before joining RailTel, he held high-profile roles as a Distinguished Scientist at the Council of Scientific &amp; Industrial Research (CSIR) and as Deputy Director General at the National Informatics Centre (NIC), under the Ministry of Electronics and Information Technology (MeitY). He has a formidable track record in architecting national-scale digital infrastructure, notably serving as the Project Director for both the National Knowledge Network (NKN)—which interconnects over 1,700 premier institutions—and the AarogyaSetu application. His technical depth encompasses network planning, cybersecurity, and the oversight of high-capacity data centers managing multi-terabit traffic. Furthermore, he has been a pivotal member of technical advisory and steering committees for the modernization of critical entities, including the RBI, Income Tax Department, IFTAS, Department of Posts, CBIC, NSCS, and the Election Commission. Complementing his domestic impact, Shri Mani brings extensive international expertise, including a Cyber Security fellowship at Carnegie Mellon University, USA. His global contributions include establishing a Center of Excellence in Mongolia and a Data Center in Laos, as well as chairing the Governing Body for the Asia@connect project, which links 23 nations. In his current capacity at RailTel, he leverages his expertise in Enterprise Architecture, AI, and Cloud Services to advance the company’s mission of delivering world-class ICT and digital public infrastructure throughout India.</in-capmkt:BriefProfile>
<in-capmkt:DisclosureOfRelationshipsBetweenDirectorsInCaseOfAppointmentOfDirector contextRef="ChangeInManagement001D">NA</in-capmkt:DisclosureOfRelationshipsBetweenDirectorsInCaseOfAppointmentOfDirector>
<in-capmkt:ReasonOfChange contextRef="ChangeInManagement002D">Appointment</in-capmkt:ReasonOfChange>
<in-capmkt:Designation contextRef="ChangeInManagement002D">Others</in-capmkt:Designation>
<in-capmkt:NameOfThePersonOrAuditorOrAuditFirmOrRTA contextRef="ChangeInManagement002D">Ravi Kant Prasad</in-capmkt:NameOfThePersonOrAuditorOrAuditFirmOrRTA>
<in-capmkt:EffectiveDateOfAppointmentOrResignationOrRemovalOrDisqualificationOrCessationOrVacationOfOfficeDueToStatutoryAuthorityOrderOrAdditionalChargeOrChangeInDesignation contextRef="ChangeInManagement002I">2026-04-13</in-capmkt:EffectiveDateOfAppointmentOrResignationOrRemovalOrDisqualificationOrCessationOrVacationOfOfficeDueToStatutoryAuthorityOrderOrAdditionalChargeOrChangeInDesignation>
<in-capmkt:TermOfAppointment contextRef="ChangeInManagement002D">0</in-capmkt:TermOfAppointment>
<in-capmkt:BriefProfile contextRef="ChangeInManagement002D">Shri Ravi Kant Prasad serves as Executive Director/ITP and Chief Information Security Officer at RailTel Corporation of India Ltd., where he leads the organization's comprehensive technology portfolio encompassing digital infrastructure, cybersecurity resilience, and operational excellence across critical national assets. In his current role, he oversees dual Tier-III data centers at Gurgaon and Secunderabad, ensuring 24/7/365 availability for government and enterprise workloads through robust disaster recovery architectures and advanced performance optimization frameworks. He also leads RailTel's centralized Network Operations Center, where his teams employ predictive analytics, capacity modeling, and real-time intelligence to transform operations from reactive incident response to proactive strategic enablement. As CISO, he architects intelligence-driven cybersecurity defenses against emerging threats including nation-state actors, AI-powered attacks, and quantum computing risks. His approach emphasizes Zero Trust architectures that protect critical national infrastructure while enabling digital transformation initiatives. He is responsible for strategic technology planning, procurement optimization, and vendor ecosystem development that delivers measurable business value across cloud platforms, cybersecurity tools, and enterprise technologies. An Indian Railway Service of Signal Engineers (IRSSE) officer from the 1996 batch, he brings over three decades of leadership experience in critical infrastructure. His career foundation in Indian Railways developed expertise in operational excellence, high-stakes project management, and complex multi-stakeholder coordination. Academically, he holds a Bachelor's degree in Electronics Engineering and a postgraduate degree in Management. Beyond his professional commitments, he is an accomplished endurance athlete, having completed more than twenty half marathons including the prestigious Tata Mumbai Marathon.</in-capmkt:BriefProfile>
<in-capmkt:DisclosureOfRelationshipsBetweenDirectorsInCaseOfAppointmentOfDirector contextRef="ChangeInManagement002D">NA</in-capmkt:DisclosureOfRelationshipsBetweenDirectorsInCaseOfAppointmentOfDirector>
</xbrli:xbrl>