The Ranas ruled Nepal from 1846 until 1951 . During this time , the Shah king was reduced to a figurehead and the prime minister and other government positions were hereditary . Jang Bahadur Rana established the Rana dynasty in 1846 by masterminding the Kot massacre in which about 40 members of the nobility including the prime minister and a relative of the king were murdered . Tyranny , debauchery , economic exploitation and religious persecution characterized Rana rule
Kot massacre
Kot massacre
Prem Bahadur Kansakar