Virbhadra Singh was an Indian politician who served 6 terms and 21 years as the 4th Chief Minister of Himachal Pradesh. A leader of the Indian National Congress party, he was elected 9 times as a Member of Legislative Assembly to the Himachal Pradesh Vidhan Sabha and 5 times as Member of Parliament to the Lok Sabha. Virbhadra Singh was popularly known by the honorific Raja Sahib. Singh holds the distinction of being the longest serving Chief Minister of Himachal Pradesh, holding the office from 1983 to 1990, from 1993 to 1998, from 2003 to 2007 and finally from 2012 to 2017, when he was succeeded by the BJP's Jai Ram Thakur. He was elected to the Lok Sabha in 1962, 1967, 1971, 1980 and 2009. Singh served as a Union Minister in the governments of Indira Gandhi and Manmohan Singh. At the time of his demise, he was serving as an MLA from Arki constituency.

The Himachal Pradesh Legislative Assembly is the unicameral legislature of the Indian state of Himachal Pradesh. The seat of the Assembly is at Shimla, the capital of the state. There are 68 Members of Legislative Assembly, all directly elected from single-seat constituencies. Its term is 5 years, unless sooner dissolved.