In this paper, the authors classify the different generations of the wireless communication. Analyze all the generation of wireless communication with respect to the each other. During the past two decade there is a brought uprising in the field of communication. The mobile communication industry growth has beaten the growth of all other fields. Even in the country is not left behind. The number of mobile subscribers in the country rise to over 915 in Mar 2012. 3G system has been introduced in line with other countries. Talks have started about 4G/5G.