World Ranking : 741

Tata Consultancy Services Limited (TCS) is an Indian IT services, business solutions and outsourcing company headquartered in Mumbai, India. It is the largest provider of information technology in Asia and second largest provider of business process outsourcing services in India. TCS has offices in over 47 countries with more than 142 branches across the globe and is a subsidiary of textiles and manufacturing conglomerate Tata Group.
TCS had development centres and/or regional offices in the following Indian cities: Ahmedabad, Baroda, Bangalore, Bhubaneswar, Chennai, Coimbatore, Goa, Gurgaon, Guwahati, Kochi, Kolkata, Lucknow, Mumbai, Mangalore, Noida, Pune, Thiruvananthapuram, Jaipur, Jalandhar, Jamshedpur, Hyderabad.
TCS is one of the largest private sector employers in India with a core strength in excess of 200,000 individuals. TCS has turned into the second-largest employer among listed companies after Coal India Limited.But the biggest employer in the country is Indian Railways with 16 lakhs employees. TCS has one of the lowest attrition rates in the Indian IT industry. In the past and in the present, TCS has been criticised by its employees in Public forums on its Appraisal and Promotion policies.
In 2007, TCS launched its Co-Innovation Network, a network of TCS Innovation Labs, startup alliances, University Research Departments, and venture capitalists.[26]
In addition to TRDDC, TCS has 19 Innovation Labs based in three countries.[27]
processing]], text, data and process analytics, multimedia applications and graphics.
TCS Innovation Lab, Embedded Systems: Medical electronics, WiMAX, and WLAN technologies.
TCS Innovation Lab, Hyderabad: Computational methods in life sciences, meta-genomics, systems biology, e-security, smart card-based applications, Linux and open source,digital media protection, nano-biotechnology, quantitative finance.
TCS Innovation Lab, Mumbai: Speech and natural language processing, wireless systems and wireless applications.
TCS Innovation Lab, Insurance - Chennai: IT Optimization, Business Process Optimization, Customer Centricity Enablers, Enterprise Mobility, Telematics, Text Analytics, 2D Barcodes, Mashups, Innovation in Product Development and Management (PLM) for Insurance.
TCS Innovation Lab, Chennai: Infrastructure innovation, green computing, Web 2.0 and next-generation user interfaces.
TCS Innovation Lab, Peterborough, England: New-wave communications for the enterprises, utility computing and RFID.
TCS Innovation Lab: Performance Engineering, Mumbai: Performance management, high performance technology components, and others.
TCS Innovation Lab, Cincinnati, United States: Engineering and Manufacturing IT solutions.
Some of the assets created by TCS Innovation Labs are DBProdem, Jensor, Wanem, Scrutinet, SmartTest Manager.
In 2008, the TCS Innovation Lab-developed product, mKrishi, won the Wall Street Journal Technology Innovation Award in the Wireless category. mKrishi is a service that would enable India's farmers to receive useful data on an inexpensive mobile device.
TCS' Co-Innovation Network partners include Collabnet, Cassatt, MetricStream, academic institutions such as Stanford, MIT, various IITs, and venture capitalists like Sequoia and Kleiner Perkins.