Who was the first and last prime minister of orissa?

Mr. Biswanath Das (1889-1984) became the Prime Minister of Orissa on
July 19, 1937. He was elected from the Jagannath
Prasad Assembly constituency.

GAJAPATI MAHARAJA KRUSHNA CHANDRA DEV ( 1892-1974) He was twice elected as Prime Minister of Orissa.