Dewan/Diwan is not a caste but the name of a Sufi order executed by Sufi Dewan Syed Zamaluddin Janeman Jannati, the so called Dewan community descends from Sadaat group of Zinda Shah Madar whose original shrine(majar) is located in Makanpur, Uttar Pardesh, India.
The literal meaning of Dewan is the head of a Khanqah, Chief or Master.
Most of the Suffi Dargahs belong to Shah community.
The surnames Shah and Syed are interchangeably used by the communities descending from Dewan tribe.
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