ABSTRACT: The Present study analyzes the quality of service and customer satisfaction and this both are crucial factors for success in the public banking sector in Pondicherry. There are factors together with the quality that effect customer expectations about the service. These two factors are selected such as (i) Reliability (ii) Tangibility. The study is based descriptive and 600 respondents are taken from Indian Bank, SBI and IOB of four blocks of Pondicherry Territory. The large portion of the customers concur the banks actual office and great climate condition, substantial quality of consumer loyalty. The result confirmed that the majority of the customers concur trust value and civilities, yet the bank gives and its administration at the time it guarantee to do so it very well may be seen that the respondents are not completely concurring about the speedy and productive customers care. The investigation portrayed that the sectioned the responsiveness customers' fulfillment levels of chose in banks, similar to State bank of India, Indian abroad bank and Indian bank. During the investigation time frame, dependability and substance is high in Indian Oversea Banks and its administrations are quality successful than other two banks Thus, the main purpose of the banking institution has attracted and retains them for long time by rendering timely and quality service which would give success for the banks.