|He joined Janata Party in 1977.
In 1980 he joined Bharatiya Janata Party as a founding member.
He was elected as the member of Bihar Legislative Assembly in 1995 from Jamshedpur East.
In 2004, he was appointed as Jharkhand State President of BJP.
In 2000 he was appointed as a Labour & Employment Minister.
He also serverd as the Finance, Urban Development & Commercial Tax Minister during the NDA government in 2005.
In 2009, he held the office of Deputy Chief Minister of Jharkhand State.
In December 2014, BJP secured the majority in Jharkhand Legislative Assembly Election and he became the Chief Minister of the State.