Communication has become one of essential parts of human life in these days. It is a basic requirement of human relations and it is one of infrastructural facilities to business world. Telecommunication is one of the forms of communication, which makes a world-wide net work to trade and commerce. Development of Science and Technology (S&T) especially drastic invention of software has made the dream of crossing national boundaries with ease modes into reality with the help of telecom 2 instrument. Now, the telecom sector is the key area through which economic and industrial transformations...