RRB Group D 2-Nov-2014 Shift 1 Solved Paper

Infosys, TCS and Cognizant are all notable companies in the sector of Information Technology.
Cognizant is an American multinational corporation that provides IT services, including digital, technology, consulting and operations services. Tata Consultancy Services (TCS) Limited is an Indian multinational information technology service,consulting and business solutions company headquartered in Mumbai. Infosys Limited is an Indian multinational corporation that provides business consulting,information technology and outsourcing services. It has its headquarters in Bengaluru.