Banks are service-rendering institutions. Nowadays, private sector banks are highly concentrating on customer satisfaction. Almost all private banks are transforming their banking system to modern technology in which they can offer efficient banking services to their customers and get customer satisfaction in return. Hence, the present study is done to find out the level of satisfaction derived by the customers on the services rendered by the various private sector banks in Nagercoil. This study is based on both primary and secondary data. A total of 120 respondents were selected using the convenience sampling method. To analyze customer satisfaction towards the services provided by private sector banks in the study area, the analyst employed statistical tools such as percentages, the Chi-square test, and Garrett Ranking.