India ranks between the top ten telecom networks in the world and the second largest in Asia. Service quality and promotion are playing an important role in the telecom industry. Every customer wants a high-speed internet facility. This paper highlights the insights into the impact of service quality and promotion & social factors that affect consumer buying behavior in the telecom industry. The study carried out exploratory as well as descriptive. An extensive review of the literature has been done by the research on the related topic. There were two hypotheses were formulated. 250 respondents were selected for data collection through an online Google form. In data analysis, Pearson correlation has been used. All two null hypotheses were rejected and all two alternative hypotheses were accepted. Therefore we can say that there is a strong relationship between the service quality of respondents and perception of cellular services and Promotion and Social Factors on consumer buying for Telecommunication networks. This study will further help others researchers and students who want to do research on this topic with different variables and timeframes.