In India, the implementation of LPG considerably increases the huge growth of information technology in recent years which led tremendous transformations in the second largest mobile network role in the world and also bring incredible changes in the consumer lifestyles. As a result of LPG, Technological development, today very meager people without mobile phones can be seen as well as the necessity of mobile to each and every one as a communication tool at any time can also be witnessed. But success rate of the mobile network market highly depends on how much customers are retained by them or served effectively by meeting the subscriber’s expectations. But the real problem is whether these services providers are meeting their customer’s expectation or satisfied their subscribers or not. So the present study focuses on mobile phone network subscriber’s satisfaction level and which are the factors they had dissatisfaction as well as to find out the connection between demographic factors and level of satisfaction. Perambalur is the growing district in Tamilnadu. From the college going students to the top administrative officers and from the road side vendors to the business tycoons, everyone is using mobile communications from various service providers. The results of the study indicate that the majority of customers are satisfied with the service providers. But still few grey areas are monitored and need to address by the services providers.