TCS issues 200,000 digital signature certificates

* Largest Indian CA helps popularize use of digital signatures

New Delhi, June 20, 2007: Tata Consultancy Services, a leading IT services, business solutions and outsourcing organization, become the first Certifying Authority in India to issue more than 200,000 digital signature certificates. TCS Certifying Authority is the largest earlier and the first CA to cross the one hundred thousand mark, in February this year and is the largest CA in the country in terms of the number of certificates issued.

The TCS CA has shown spectacular growth during the past year, thanks to various initiatives by the Government of India, such as the MCA 21 program. The number of certificates issued to MCA 21 users alone is in excess of 150,000.

TCS has been instrumental in creating awareness of the protection offered by the widespread use of digital signatures, and in offering a variety of desktop and server-side utilities that make it easy to use the digital certificate technology. TCS CA has provided solutions to all the key and high-value segments of society, such as Internet banking, stock trading, filing income tax returns, and so on. The phenomenal growth in the number of digital certificates has been facilitated by providing user-friendly, best in class technology solutions, such as the TCS Public Key Infrastructure (PKI) called Dhruvam™, as well as several associated utilities such as FileSigner™, FormSigner™, etc.

Dr M. Vidyasagar, Executive Vice President and Head, Advanced Technology Centre at TCS Hyderabad said: "Until the advent of TCS CA, PKI technology was considered user-unfriendly and difficult to deploy on a widespread geographic scale. Several customers within the government of India and the financial community rely on our products and solutions."

The TCS Advanced Technology Centre at Hyderabad conceptualized and led the R&D initiative develop Public Key Infrastructure products like digital signatures since 2000. TCS now offers an entire gamut of PKI related products, solutions and services ranging from Digital Signature services, PKI consulting, CA hosting to PKI enabling of applications, which conform to International standards and the Indian Information Technology Act.

Mr. V Rajanna, Regional Head, TCS Andhra Pradesh Region, said "Products like digital signatures developed at TCS Hyderabad clearly shows that this city is emerging as a destination for high value Research & Development work and TCS is at the forefront of leveraging the vast talent pool available in this city and the region to help our customers globally."

Dr. Kamlesh Bajaj, Global Head "� Information Risk Management and Managed Security Services, said, "The 200,000 landmark reflects the level of trust and confidence enjoyed by the TCS Certifying Authority among our subscriber base, Registration Authorities and Subordinate Certifying Authorities under the TCS-CA Trust Network," Dr. Bajaj added.

About Tata Consultancy Services Ltd (TCS): Tata Consultancy Services is an IT services, business solutions and outsourcing organization that delivers real results to global businesses, ensuring a level of certainty no other firm can match. TCS offers a consulting-led, integrated portfolio of IT and IT-enabled services delivered through its unique Global Network Delivery Model, recognized as the benchmark of excellence in software development.

A part of the Tata Group, India's largest industrial conglomerate, TCS has over 89,000 of the world's best trained IT consultants in 47 countries. The Company generated consolidated revenues of US $4.3 billion for fiscal year ended 31 March, 2007 and is listed on the National Stock Exchange and Bombay Stock Exchange in India. For more information, visit us at www.tcs.com.