Governments have seen alternates between Bharatiya Janata Party (BJP) and Indian National Congress (INC), no third front ever has become significant. In 2003, the state legislative assembly was won by the Indian National Congress and Virbhadra Singh was elected as the chief minister of the state. In the assembly elections held in December 2007, the BJP secured a landslide victory. The BJP won 41 of the 68 seats while the Congress won only 23 of the 68 seats. BJP's Prem Kumar Dhumal was sworn in as Chief Minister of Himachal Pradesh on 30 December 2007.
When was Virbhadra Singh sworn in as Chief Minister of Himachal Pradesh?