The Rana oligarchy 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 . The massacre took place at the armory at Kathmandu Durbar Square . Jung Bahadur declared himself prime minister and assumed all powers after that . Tyranny , economic exploitation and religious persecution characterized the Rana period
Kot massacre
Kot massacre
Nhuchhe Ratna Tuladhar