The case of Karachi city, gives extensive information about development, evaluation emergence of the city as an important hub of Pakistan. In 1839, the British conquered Karachi. They needed a port for landing troops for their Afghan campaigns which were aimed to prevent the Russians from reaching the Arabian Sea. After the British conquest, Karachi expanded rapidly. The major reason for Karachi’s growth was that the British developed perennial irrigation schemes in Punjab and Sindh (Karachi’s hinterland) increasing agricultural production which was exported through Karachi.