– He was the minister for Sericulture, Animal Husbandry and Transport at different stages in Chief Minister Ramakrishna Hegde’s government.
– In 1989, he was defeated in assembly elections by veteran Congress leader Rajashekaramurthy.
– He was appointed as Secretary General of Janata Dal in 1992 after H. D. Deve Gowda and Ramakrishna Hegde joined hands.
– In the Janata Dal government headed by Deve Gowda in 1994, he became the Minister for Finance.
– In 1996 when J. H. Patel became the Chief Minister, he was made the Deputy Chief minister of the state.
– He became the state President of Janata Dal (Secular) after he joined Deve Gowda faction.
– He lost the Karnataka Legislative Assembly election in 1999.
– He was again appointed Deputy Chief Minister in 2004, when the Congress and JDS formed a coalition government with Dharam Singh as the Chief minister.
– It was in 2006 when he joined the Congress, saying goodbye to his mentor Deve Gowda.
– In 2008 he was re-elected for the fifth time from Varuna Constituency in the state Assembly Elections.
– Siddaramaiah won had earlier announced that 2013 assembly election would be his last election.
– He contested the 2013 state Assembly elections from Varuna Constituency and won, only to become the 22nd Chief Minister of the state.