Telecommunications is a dominant industry in the world that has its threads all the sectors of any industry. Communication has over centuries developed to a much easier task than earlier. It has become that linking thread for the survival of all other industries. It is with the help of telecom that most business and trade in and around the world is made possible. Even from a personal point of view, telecom services has become an inevitable part of human life.There have been various milestones in the telecommunications industries.Beginning with the basic phones, internet and the latest smartphones the journey of the telecom industry has been very significant. The telecommunication industry is a domain that is in itself very complex. The prominence of IT services and telecommunications in every industry becomes stronger each day with the development of technology.