Bahrein is Sunni, but has a large Shiah population of Persian origin.
In religion all except some Tatars and Mongols and the Baluchis have conformed to the national Shiah faith.
They are descended from Hindus of Sind and Kach, who were converted from Hinduism to the Ismaili form of the Shiah faith in the 15th century of the Christian era.
Outwardly they are Mussulmans of the Shiah branch, but most of them show little veneration for either Prophet or Koran, and the religion of some of them seems to be a mixture of Ali-Illahism involving a belief in successive incarnations combined with mysterious, ancient, heathen rites.
As this prince belonged, like Firdousi, to the Shiah sect, while Mahmud and Maimandi were Sunnites, and as he was also politically opposed to the sultan, Hasan Maimandi did not fail to make the most of this incident, and accused the poet of disloyalty to his sovereign and patron, as well as of heresy.