Bangladesh is a developing country. The prosperity of a country depends on its economic activities. Like any other sphere of modern economic activities, banking is a powerful tools of bring about socio-economic changes of a country. Today Private Commercial Banking is considered as a service industry. In the process of conducting its own activities to achieve its own goal such as making profits, a commercial bank gives services to the people. Without adequate banking facility agriculture, commerce and industry cannot flourish on its own way. A suitable developed banking system can provide the necessary boost for the economic growth of the country. Because banking system is linked with the economy.