This document summarizes a study on customer perception of service quality in the Indian telecommunications industry. The study reviewed previous literature on factors influencing customer satisfaction and loyalty, such as reliability, responsiveness, assurance, empathy and perceived quality. It then described the background and growth of India's large telecommunications sector. The methodology section explained that the study surveyed 100 customers in Sathyamanglam, Tamil Nadu, using a questionnaire to assess factors influencing their perceptions of service quality. In conclusion, the study aimed to determine what most influences customer perception of service quality in the Indian telecommunications industry.