“CONSUMER SATISFACTION INDEX FOR MOBILE SERVICES OFFERED BY PRIVATE SERVICE PROVIDERS IN COIMBATORE CITY".

The mobile industry is a subset of the telecommunications industry. Members of this industry include a number of multinational corporations with very wide reach, in addition to smaller companies. According to Wisegeek72, “Mobile telecommunication service is the service that carries out the process of sending, transmitting and receiving information over a distance with assistance of some sort of mobile phone.” The main aim of this telecommunication sector is made up of companies that make communication possible on a global scale, whether it is through the phone or the Internet, through airwaves or cables, through wires or wirelessly. These companies are allow their subscribers to send the data in words, voice, audio, or video to be sent anywhere in the world. The telecommunications industry started in the 1830s, with the invention of the telegraph, the first mechanical communications device. The industrial service extended with each new invention: the telephone, radio, television, computer, mobile device. These technical advances changed how people live and to do the business. At the earlier stage, telecommunication industries used physical wires connecting homes and businesses. In modern society, for the innovation of mobiles these industries change their trend to wireless digital technology is becoming the primary form of communication. Wireless communications are a very fast-growing sector within telecommunications. More and more communications and computing methods shift to mobile devices and cloud-based technology. This piece of the industry is the expected keystone for the continued global expansion of the telecommunications sector.