Information Technology (IT) is “the study, design, development, implementation, support or management of computer based information systems, particularly software application and computer hardware.” It deals with the use of electronic computers and computer software to covert, store, protect, process, transmit and securely retrieve information.

Today, the term information technology has ballooned to encompass many aspects of computing and technology and the term has become very recognizable. The information technology umbrella can be quite large, covering many fields. IT professionals perform a variety of duties that range from installing applications to designing complex computer networks and information databases. A few of the duties that IT professionals perform may include data management, networking, engineering computer hardware, database and software design as well as the management and administration of entire systems.

When computer and communication technologies are combined, the result is Information Technology or “Infotech”. Infotech is a general term that describes any technology that helps to produce, manipulate, store, and communicate information.

The information technology industry has truly transformed the way the world looks at India. Rapidly capturing global application, the success of its IT industry has placed India at the forefront of the emerging global knowledge economy. According to National Association of Software and Services Companies (NASSCOM), the apex body for software services in India, the revenue of information technology sector has grown from 1.2 percent of the Gross Domestic Product (GDP) in 1998 to an estimated 5.5 percent in 2008. The net value added by this sector, to the economy, is estimated to be 3.3 percent to 3.9 percent for 2008.

India’s IT growth in the world is primarily dominated by IT software and services such as Custom Application Development and Maintenance (CADM), System Integration , IT Consulting, Application Management, Infrastructure Management Services, Software Testing, Service Oriented Architecture and Web Services.