Hosted Offshore Solutions

Case Study

Tata Communications Plays Key Role in Water Utility’s Billing System Upgrade.

The Challenge

A major water utility company in the United Kingdom was struggling with a 20 year-old billing system that was leading to customer complaints, collection management problems, and requests from industry regulators that the company provide better service.

Wellawareofthefactthatitwasgoingtobedifficulttosolvethese issueswith their legacybilling system, the companydecidedthatitwascriticaltoupgradetoanewsystem.

Following an exhaustive RFP process, the companyselected Tata Consultancy Services (TCS) for its extensiveSAP experience, to integrate, deploy, and manage a newSAP billing system on a turnkey basis. A key element ofthis process was the ability to manage the infrastructurein onshore data centers within the UK. TCS selected TataCommunications as its partner to provide the networkanddatacenterinfrastructurenecessarytosupportthebid.

The TCS and Tata Communications Joint Solution

As project leader, TCS provided help-desk supportand program management, and performed applicationintegrationandmanagement.TataCommunications’primaryrole was to provide, monitor, and manage the IP networkandhostinginfrastructureintwodatacenters:London,UK(primarysite)andGroningen,Netherlands(secondarysite).The centers provided facility space, LAN infrastructure,

firewalls, and on-site technical support. In addition, theTataCommunications’networkinfrastructurelinkedtodatacenters in IndiaandtheUnitedKingdom,enablingresilientoperations.

Reduced Regulatory Risk

After winning the project, TCS and Tata Communicationsrapidlydeployedthehostinginfrastructurewithinaneight-week timeframe, allowing software development activityto proceed and application launch-date objectives to bemet. Featuring an enhanced customer interface, the new

SAPbillingsystemimprovedeaseofuseforthewaterutilitycompany’s employees. Billing and collection proceduresbecame considerably more efficient, and regulatorycomplianceanddecisionsupportweredramaticallyimprovedthroughadvancedanalytics.This,inturn,reducedregulatoryrisk for the water utility company. The initial project metall stated objectives, and the system continues to operatesuccessfullytoday.

FormoreinformationonManaged Services,pleasevisit:www.tatacommunications.com/contact

www.tatacommunications.com

Page2

An Evolved Platform of ServicesThe original SAP implementation project occurred overthreeyearsagoandestablishedthewaterutilitycompanyasaleaderinback-officeoffshoringinthewaterutilitysector.Sincethen,thecompanyhasleveragedadditionalsolutionsfrom Tata Communications to evolve its services andinfrastructure. The infrastructure originally deployed hasevolved froma customized, dedicatedhosting solution,tofull,comprehensive24x7managedhostingsupportfromTataCommunications’ManagedServicesOperationsCenterinChennai.Thenetworkhasbeenupgradedbetweenprimaryand secondary data centers from a 2Meg Ethernet circuittoadedicated100megservice,allowingformorerapiddatatransfer and a tighter SLA for disaster recovery. Finally,theinitialoffshoreIPLC-basedconnectivityisbeingmigratedtoTataCommunications’managedMPLSnetworktoreducecostandincreasescalability.

Why Tata Communications’ Solution?

_ Cost-effectivedatacenters—bothonshoreandoffshore_ Rapiddeploymentcapabilityandserviceflexibility_ StrongSAPimplementation,delivery,andoperationalskill setatTCS_ TataCommunications’strongnetworkcapabilityintoand outofIndia_ Servicesdesignedtosupportcomplianceandregulatory requirements_ Reducedcoststhroughdatacenteroutsourcingofsystems andapplications_ Cost-effective,fullymanagedMPLSconnectivityfromUK andtheNetherlandstoTCSlocationsinIndia_ Ability to implement and support a data networking environment,includingswitches,routers,andInternetaccess

About Tata Consultancy Services

TataConsultancyServices(TCS)isanITservices,business-solutions, and outsourcing organization that delivers realresults to global businesses. TCS offers a consulting-led,integratedportfolioof ITand IT-enabledservicesdeliveredthroughauniqueGlobalNetworkDeliveryModel,recognizedasthebenchmarkofexcellenceinsoftwaredevelopment.ApartoftheTataGroup,India’slargestindustrialconglomerate,TCS employs over 108,000 of the world’s best-trained ITconsultantsin47countries.

TCSgeneratedconsolidatedrevenuesofU.S.$4.3billionforfiscalyear2007andislistedontheNationalStockExchangeandBombayStockExchangeinIndia.Formoreinformation,visitwww.tcs.com.

About Tata Communications

Tata Communications, a member of the $62.5 billionTataGroup, is a leading global provider of a newworld ofcommunications. The emerging-markets communicationsleader leverages its advanced-solutions capabilities anddomain expertise across its global and pan-India networkto deliver managed solutions to multinational and Indianenterprises,serviceproviders,andIndianconsumers.

Tata Communications’ range of services includestransmission,IP,convergedvoice,mobility,managednetworkconnectivity,hostingandstorage,managedsecurity,managedcollaboration, and business transformation for globalenterprisesandserviceproviders,aswellasInternet,retailbroadband,andcontentservicesforIndianconsumers.

FormoreinformationonManaged Services,pleasevisit:www.tatacommunications.com/contact

www.tatacommunications.com

Page3

Looking toward the future, the company is exploring new opportunities with Tata Communications, such as smart metering, and other new, innovative applications.

IndiaTata Communications LVSB Kashinath Dhuru Marg Prabhadevi Mumbai 400 028Tel +91 22 6657 8765Fax +91 22 6639 5162

AsiaTata Communications 5 Shenton Way#34 – 10 UIC BuildingSingapore 068808Tel +65 6551 3600Fax +65 6423 0315

Tata Communications 2402 Bank of America Tower12 Harcourt RoadCentral, Hong KongTel +852 3693 8888Fax +852 3690 2022

AustraliaTata Communications King Street WharfSuite 503, 35 Lime StreetSydney NSW 2000 AustraliaTel +61 2 9299 2014Fax +61 2 9299 2019

North AmericaTata Communications 2355 Dulles Corner Blvd 7th floorHerndon, VA 20171, USATel +1 703 547 5900Fax +1 703 547 6555 Tata Communications 90 Matawan Rd – 3rd FloorMatawan, NJ 07747, USATel +1 732 888 6700Fax +1 732 888 6809

Tata Communications 1555 Rue Carrie-DerickMontréal (Québec)Canada, H3C 6W2Tel +1 514 868 7272Fax +1 514 868 7234

EuropeTata Communications Exchange Tower, Suite 7.032 Harbour Exchange SquareLondon, E14 9GE, EnglandTel +44 20 7519 4610Fax +44 20 7519 4609

Tata Communications 131 Avenue Charles de Gaulle92200 Neuilly sur SeineFranceTel +33 1 41 43 4200Fax +33 1 41 43 4200

Tata Communications Avenida de Europa 4, Bajo AParque Empresarial “La Moraleja”28108 Alcobendas Madrid, SpainTel +34 916 57 48 90Fax +34 916 62 06 79

Middle East & North AfricaTata Communications Hamdan Street, City Center BuildingBlock – A, 2nd Floor, Office # 204P.O. Box 41660Abu Dhabi, United Arab EmiratesTel +971 2 626 6223Fax +971 2 627 2624

Tata Communications, a member of the $62.5 billionTataGroup,isaleadingglobalproviderofanewworldofcommunications.Theemergingmarketscommunicationsleader leverages its advanced solutions capabilitiesand domain expertise across its global and pan-Indianetworktodelivermanagedsolutionstomulti-nationaland Indian enterprises, service providers and Indianconsumers. Tata Communications’ range of servicesinclude transmission, IP, converged voice, mobility,managed network connectivity, hosting and storage,managedsecurity,managedcollaborationandbusinesstransformation for global enterprises and serviceproviders, as well as Internet, retail broadband andcontentservicesforIndianconsumers.TheTataGlobalNetwork encompasses one of themost advanced andlargestsubmarinecablenetworks,aTier-1 IPnetwork,

with connectivity to more than 200 countries across300Pops,andmorethan1millionsquarefeetofdatacenterandco-locationfacilities.TataCommunications’unique emerging market depth and breadth of reachincludesanationalfiberbackbonenetworkandaccesstonetworkinover60citiesand125PopsinIndia,strategicinvestments in South African converged servicesoperator, Neotel, Sri Lanka and Nepal and, subject tofulfillmentofconditionsprecedent,a50%ownershipinChina Enterprise Communications (CEC) providing fullcountry VPN coverage in China. Servicing customersfrom itsoffices inover80cities in40countries,TataCommunicationsisthenumberoneglobalinternationalwholesale voice operator and number one providerof international long distance, enterprise data andInternet services in India, the Company was named

“BestWholesaleCarrier”attheWorldCommunicationsAwardsin2006,“BestPan-AsianWholesaleProvider”atthe2006and2007CapacityMagazineGlobalWholesaleTelecommunications Awards and was awarded “BestProgress in Emerging Markets” at the 2008 MobileCommunicationAwards.TataCommunicationsLimitedislistedontheBombayStockExchangeandtheNationalStockExchangeofIndiaanditsADRsarelistedontheNewYorkStockExchange.(NYSE:TCL)www.tatacommunications.com

© 2008 Tata Communications, Ltd. All Rights Reserved. 2P_TC_carrier-os-casestudy_ver1.0_feb-2008