1. Controversial heterodox Islamicate sect which practises group sex & incest as part of its rituals.

2. Numerous professedly Muslim adherents of the said sect.

Historically documented to have been especially popular during the Golden Age of the Tughlaq dynasty of the prosperous Delhi Sultanate, who were deputies of the splendid global Arabian Caliphate in South Asia. They were suppressed by Firuz Shah Tughlaq, but had revivals in the post-Firuzian age. Thus, the sect has grown & ebbed throughout the centuries, but has traditionally been focussed on the eastern or Iranianate part of the Islamicate or Irano-Semitic world.

In this regard, Rashid notes: "People belonging to the Mulahda & Abahatiyan gathered at ... night. Their women -
mother, sister - all collected together. They took pork and wine & indulged in debauchery without distinction." ('Society & Culture in Medieval India (1206-1556 AD)'. A.Rashid. Calcutta: Firma K.L.Mukhopadhyay, 1969, p.90)

Askari elaborates: "Last in the list comes the heinous fraternity of incestuous miscreants (Ibahatian). who held secret nocturnal assemblies wherein a mother cohabited with her son, the aunt ...