Complex sentence: From 1971 to 1977, he held the portfolio of Agriculture and Labour in the Ministry headed by C. Achutha Menon and, from 1980 to 1981, was the Minister for Health and Tourism in the Nayanar Ministry.
Split into simpler sentences: From 1971 to 1977, he held the portfolio of Agriculture and Labour in the Ministry headed by C. Achutha Menon. From 1980 to 1981, he was the Minister for Health and Tourism in the Nayanar Ministry.