Following the victory of the Islamic revolution , in 1979 , based on the act for the merger of banks (enacted by Islamic revolution council on 7th June , 1979) Bank Maskan was incorporated from the merger of Bank Rahni Iran, Bank Sakhteman , Iranian Banks Construction Investment Co., and 13 savings and loan associations (Kourosh, Ekbatan, and Pasargad in Tehran and other savings and loan associations in some provinces such as Hamedan, Kermanshah , Mazandaran , Gorgan, Semnan, and Abadan). The major portion of Bank Maskan is made up of , Bank Rahni Iran.