He was the Leader of Opposition when N. T. Rama Rao of Telugu Desam Party won a landslide victory in the 1983 Assembly election.
People from Kondapaka and Siddipet say that this close association of KCR helped him topple his political guru.
He along with others would later float a political party called Telangana Praja Samithi and was the founding president.
He held various portfolios like Revenue, Health, Mines and Geology, Law, Commercial Taxes and Technical Education in his 10-year career.
Post 1983 elections, when Telugu Desam Party won a landslide victory under N. T. Rama Rao, Madan Mohan served as the leader of the Opposition.