Abstract City corporations in Bangladesh are responsible for providing various municipal services such as water supply, gas, electricity, health services, education etc. to the city dwellers. To maintain all responsibilities in a City Corporation every year a budget is sanctioned. Revenue income pattern of Khulna City Corporation has been showed in this research to explore the income generation process. The income of City Corporation depends on government grant and internal revenues. The income is not well enough to maintain all the functions of City Corporation. Internal income sources are various taxes, rates, fees, tender, license etc. Govt. grants provide for various project executions which is too much higher than internal income. Finally some recommendations have been given in this research for developing a better revenue income process for Khulna City Corporation. Key words: City Corporation, Budget, Revenue, Tax, Rates, Grants, Municipality, Finance, Administration