He is survived by six sons and four daughters. Mohapatra was elected to the Orissa assembly four times - in 1967, 1974, 1980 and 1985. He served as a cabinet minister in the Nandini Satpathy and J.B. Patnaik governments.
He had held various portfolios under different governments including those of finance, tourism and culture. Born in 1915 in Biswanathpur village in the coastal district of Puri, Mohapatra joined India's freedom movement from his school days and was jailed twice for protesting against British rule.