 He was a Provincial Minister from 1990–1994 and 1998–1999, with various portfolios including education, finance, transport, excise and taxation, revenue, and sports.He was elected to the Senate of Pakistan in 2005 on a PML-Q ticket, and was the Chairman of the Senate Standing Committee on Local Government and Rural Areas.On 18 February 2008 Sarwar Khan was a candidate for elections to the National Assembly of Pakistan and the Provincial Assembly of Balochistan, winning a seat in the provincial election.