After his career in films, NTR entered politics. He founded the Telugu Desam Party (TDP) in 1982 and served three tumultuous terms as Chief Minister of Andhra Pradesh between 1983 and 1995. He was known as an advocate of Andhra Pradesh's distinct cultural identity, distinguishing it from the erstwhile Madras State with which it was often associated. At the national level, he was instrumental in the formation of the National Front, a coalition of non-Congress parties which governed India from 1989 until 1990.