Rupali Bank PLC. was constituted with the merger of 3 (three) erstwhile commercial banks i.e. Muslim Commercial Bank Ltd., Australasia Bank Ltd. and Standard Bank Ltd. operated in the then Pakistan on March 26, 1972 under the Bangladesh Banks (Nationalization) Order 1972 (P.O. No. 26 of 1972), with all their assets, benefits, rights, powers, authorities, privileges, liabilities, borrowings and obligations. Rupali Bank worked as a nationalized commercial bank till December13, 1986. Rupali Bank PLC. emerged as the largest Public Limited Banking Company of the country on December 14, 1986.