About TCS. Tata Consultancy Services is one of the largest 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 120,000 of the world's best trained IT consultants in 47 countries. The Company generated consolidated revenues of US $5.8 billion for fiscal year ended 31 March, 2008 .