text:  During the last days of the khan's sojourn in Calcutta he witnessed the splendid celebration of the rites of the Mohurrum when the slaughter of the brother Imams Hassan and Hussein the martyred grandsons of the Prophet is lamented by all sects of the faithful but more especially by the _Rafedhis_ or Sheahs the followers of Ali "of whom there are many in Calcutta though they are less numerous than the orthodox sect or Sunnis from whom they are distinguished at this season by wearing black as mourning