Mirza Mohammad Taghi's role in Safavid period architecture Mirza Mohammad Taghi Etemad-al doleh, after Safavid kings, had the most important role in supporting and development of architectural large plans in Safavid period. In Shah Abbas 1 period, Mirza Mohammad Taghi was minister of Biglar Beigi and then minister of entire province of Tabaristan. In the time of governing of Mazandaran, he constructed two cities of Farahabad and Behshahr and accommodated the people, there. After years, Shah Safi, according to his experiences in architecture and management of constructional plans in Mazandaran, made him the restoration agent of Imam Ali's ( peace be upon him) holly shrine in Najaf. It was the most important architectural plan in Shah Safi period.