World Bank and Asian Infrastructure Investment bank (AIIB) are ready to finance a project that will upgrade the operational capacity and reliability of Karachi Water Supply Board (KWSB) to deliver safe, clean and ready water supplies to the city’s inhabitants .World Bank and Asian Infrastructure Investment bank (AIIB) are ready to finance a project that will upgrade the operational capacity and reliability of Karachi Water Supply Board (KWSB) to deliver safe, clean and ready water supplies to the city’s inhabitants .