<P> TCS established the first software research center in India, the Tata Research Development and Design Centre, in Pune, India in 1981 . TRDDC undertakes research in Software engineering, Process engineering and systems research . Researchers at TRDDC also developed MasterCraft (now a suite of digitization and optimization tools) a Model Driven Development software that can automatically create code based on a model of a software, and rewrite the code based on the user's needs . Research at TRDDC has also resulted in the development of Sujal, a low - cost water purifier that can be manufactured using locally available resources . TCS deployed thousands of these filters in the Indian Ocean tsunami disaster of 2004 as part of its relief activities . This product has been marketed in India as Tata swach, a low cost water purifier . </P> <P> In 2007, TCS launched its co-innovation network, a network of innovation labs, start up alliances, university research departments, and venture capitalists . In addition, TCS has 19 innovation labs based in three countries . TCS' partners include Collabnet, Cassatt, academic institutions such as IITs, Stanford, MIT, Carnegie Mellon and venture capitalists like Sequoia and Kleiner Perkins . </P> <P> TCS is one of the largest private sector employers in India, and the fourth - largest employer among listed Indian companies (after Indian Railways, Indian Army and India Post). TCS had a total of 3, 87,000 employees as of December 2016, of which 31% were women . The number of non-Indian nationals was 21,282 as at 31 March 2013 (7.7%). The employee costs for the FY 2012 - 13 were US $4.38 billion, which was approx. 38% of the total revenue of the company for that period . In the fiscal year 2012 - 13, TCS recruited a total of 69,728 new staff, of whom 59,276 were based in India and 10,452 were based in the rest of the world . In the same period, the rate of attrition was 10.6% . The average age of a TCS employee is 28 years . The employee utilisation rate, excluding trainees, for the FY 2012 - 13 was 82% . TCS was the fifth - largest United States visa recipient in 2008 (after Infosys, CTS, Wipro and Mahindra Satyam). In 2012, the Tata group companies, including TCS, were the second largest recipient of H - 1B visas . As of June 2017, TCS has over 387,000 + employees . It is world's third largest IT employer behind IBM and HP . </P> <P> Subramaniam Ramadorai, former CEO of TCS, has written an autobiographical book about his experiences in the company called The TCS Story...and Beyond . </P>

Market share of tcs in indian it industry