Complex sentence: He served as the Minister for food and civil supplies, Housing, Law from 1980 to 1981, and 1987 to 1991 in the ministries headed by E.K. Nayanar.
Split into simpler sentences: He served as the Minister for food and civil supplies, Housing, and Law from 1980 to 1981. From 1987 to 1991 he was in the ministries headed by E.K. Nayanar.