New offering built from joint customer experience

Mumbai & San Jose, California 4^th April, 2006

Cassatt Corporation, an innovator in providing enterprise software and services to enable agile IT infrastructures, and Tata Consultancy Services (TCS) (BSE: TCS.BO, NSE: TCS.NI), a leading global IT services and consulting firm, today announced a joint software and services offering, the Data Center Optimization Solution, as part of the partnership between the two firms.

With the Data Center Optimization Solution, TCS and Cassatt help organizations meet software service level agreements and deliver a dynamic, real-time IT infrastructure. TCS and Cassatt built the Data Center Optimization Solution from joint customer engagements and deployment experience gained since the two began working together a year ago. The solution is a joint assessment service and is delivered as a short-term customer engagement providing specific customized deliverables and activities including:

• Problem Statement - Identifies the key issues to be examined in the assessment process (i.e., large number of applications, sub-optimal resource utilization, manual provisioning, and improper capacity planning)
• Assesment - Identifies the current state of resource utilization and availability within the organization, proposes a post-implementation resource utilization end state, automated provisioning, and projects estimated organizational cost savings.
• Solution - The consulting expertise of TCS Infrastructure Services & Performance Engineering practices combined with the Cassatt Collage software
• Whitepaper - Summary for client of key issues and recommended solution

 "Our customers are looking to save money and improve delivery of IT services within the data center," said Bill Coleman, chairman and CEO of Cassatt. "To be successful, however, this requires a new approach - using automation to deliver desired application service levels. We are committed to helping customers reach these goals through the virtualization and automation capabilities that we provide. Combining the Cassatt software with the expertise, reach, and relationships brought by TCS makes it possible for Global 2000 organizations to more quickly realize the benefits of service level automation."

"TCS is asked by clients around the world for thought leadership and breakthrough technologies that can provide profound improvements to IT environments," said S. Ramadorai, MD and CEO, TCS. "Our Infrastructure Services Practice combined with Performance Engineering Practice offers competitively unique skills and best practices in the area of Infrastructure Services for Global 2000 data centers. TCS has identified Cassatt as a unique enabler to optimize investments that our customers have made in their data centers. Cassatt provides the competitive edge that TCS needs in today's IT Infrastructure services marketplace."

What Cassatt Provides

The Cassatt software helps customers create a real-time IT infrastructure that can improve application service levels. The Cassatt solution creates a virtual pool of an organization's application resources - hardware, operating systems, and Java middleware - freeing them to be used by all applications. Then, the Cassatt software automatically matches applications to appropriate computing resources in order to maintain the service levels of performance and availability that the business requires of each of their critical applications.

What TCS Provides

TCS consultants in the company's Infrastructure Services Practice along with Performance Engineering Services Practice will utilize the Cassatt products to help organizations realize the benefits of a real-time infrastructure by performing an in-depth analysis of a company's technologies, applications, business challenges, and potential benefits. TCS consultants are actively demonstrating Cassatt in their existing accounts. Cassatt and TCS have established demonstration centers of excellence in Minneapolis, Minnesota and Mumbai, India. At these centers, customers can test-drive Cassatt's service level automation solutions pre-configured to represent their data center set-ups for hardware, software, and networking.

About Tata Consultancy Services Ltd (TCS)

Tata Consultancy Services Limited (TCS) is the world's leading information technology consulting, services, business process outsourcing, and engineering services organization that envisioned and pioneered the adoption of the flexible global business practices that today enable companies to operate more efficiently and produce more value. TCS achieved this by creating and perfecting a unique method of global deployment and delivery of high quality, high value services and products in IT consulting and business process outsourcing. Known as the "Global Delivery Model," this strategic services delivery concept has reshaped the IT services industry.

More than 95 percent of TCS customers reward the company's reliability, passion, creativity, and unique ability to handle the broadest range of their IT needs by continually extending and deepening their partnerships with TCS. With over 50,000 of the world's best trained IT consultants located in 34 countries, TCS is uniquely positioned to deliver its flexible world class services seamlessly to any location. TCS reported consolidated revenues of $2.24 billion (U.S.) in the fiscal year 2004-2005. The company is listed on the National Stock Exchange and Bombay Stock Exchange in India. For more information:www.tcs.com

About Cassatt Corporation

Cassatt is an enterprise software and services company delivering solutions that turn an organization's current IT infrastructure into a dynamic, virtual pool of resources that can be tapped on demand. Goal-driven automation from Cassatt continuously optimizes IT resources to meet business service level agreements, dramatically improving IT responsiveness while slashing costs. Based in San Jose, California, Cassatt is a privately held company led by BEA founding CEO Bill Coleman, with financial backing from NEA and Warburg Pincus. For more information, visit www.cassatt.com.