Telecommunication can be refers as a transmission of any particular information. Telecommunication is use to travel the information for long distance. Visual signals were use in to the past to make telecommunication possible. There are many devices are being use for telecommunication like telephones, radio, microwave communication etc. In the twentieth century, the telecommunication had made the significant inroads because the concept of wireless telecommunication was begun at that time. As the time was passing, the capacity of two way telecommunication was increasing and in 2007 the capacity of two way telecommunication were reached to 65 Exabytes. The telecommunication plays the vital role in the world economy because the telecommunication industry was worth of $3.85 trillion by the year of 2008. So it is pretty clear that telecommunication is playing the major role in the world and there will be more and more progress in the telecommunication sector in the future.