The perception of passengers towards public transportation has gained importance these days because of the increased number of personal vehicles and air pollution. The objective of the study is to gain insights into impact of service quality on satisfaction levels of passengers, to know the overall satisfaction level of passengers and the major problems regarding these two modes of transportation. It encompasses various dimensions such as service quality, safety security. By examining these aspects, the study seeks to determine areas that need development and propose measures to enhance the public transportation experience in Kerala. This study aims to conduct a comparative analysis of customer perception towards Kerala State Road Transport Corporation (KSRTC) and private bus services in Kerala, India.