The Constitution governed after Mohammad Ali Shah’s decline. Bakhtiyaries have important role in Tehran capturing and Constitution reviving.they had many influence in Constitutional governments and got very important positions. Isfahan was one of the richest cities of Iran. Bakhtiyari khans captured Isfahan and governed utill Reza Shah dominated over there. Najaf-Qoli khan Samsamossaltaneh Bakhtiyari controlled Isfahan and introduced as Isfahan first governor after autocracy’s decline. Then Khosro khan Sardar Zafar, Gholam- hossein khan Sardar Mohtasham, Sultan Mohammad khan Sardar Ashjae, Nasir khan were the governors of Isfahan utilll 925. Shokrollah khan Qavamoddoleh governed there for a period by Bakhtiyari’s agreement, but his government was very short. Reza shah got prime Minister Position in 1925, from when non Bakhtiyari governors ruled Isfahan. Bakhtiyari khans ruled just Chahar Mahal-e- Bakhtiyari Area then.