After Amir-Kabir's deposition and murder, Naso redd in Shah decided to divide the duties of the Grand Visier between ministries, to prevent power centralization in one person. Imitating European Countries, he devolved the public affairs to the ministries and established M The Great Court Consultative Assembly " consisting of the Grand Vis ter. the ministers, the princes and some of the dignitaries and the grandees. At first there were four ministries (war, finance, science and foreign affairs), then in the course of time and according to circumstances and social needs, their number increased in nine, but in 1874, Nasereddin Shah reduced them to six. Afterwards administrative and government affairs were assigned to the ministers plenipotentiaries. In order to execute The King's order " The Great Clouti " compiled a booklet in wrhich the duties of the " Six Ministers were defined.
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