Tax on plunder during war in the Sultanate period was known as

Answer: Option C

In Islamic tradition, khums, (literally 'one fifth') refers to the required religious obligation of any Muslim to pay one-fifth of their acquired wealth from certain sources toward specified causes. It is treated differently in Shia and Sunni Islam, and it is closely related to ghanima (spoils of war). This tax is paid to the imam, caliph or sultan, representing the state of Islam, for distribution between the orphans, the needy, and the [stranded] traveler.