Elections were held on 1980 January 3 and 5 to elect members to the sixth Niyamasabha. This election saw the formation of two pre-poll alliances, viz. LDF and UDF, most of whose constituent parties were part of the erstwhile United Front. CPI(M)-led LDF to win the election, after winning 93 seats altogether. E. K. Nayanar was sworn in as the Chief Minister on 26 March 1980