Tata Consultancy Services is one of the most prominent companies of India, and it is also one of the constituents of Nifty. It (TCS) is an Indian software services and consulting company. It is one of the world's largest providers of information technology and business process outsourcing services. As of 2007, it is Asia's largest information technology firm and has the largest number of employees among Indian IT companies with strength of over 110,000.