He was the younger brother of Rama Varma(1914-1932). He is known by the name of Midukkan Thampuran. He reigned as the Maharaja at the death of Chowarayil Theepeta Thampuran on April 1st 1941.
Shanmugham Chetty , the Diwan, resigned in 1941 and was succeeded by A.F.W. Dickinson.
He left for his heavenly abode on 1943 October(1119 Kanni 27th) while he was in Thripunithura.
http://gosree.org/history.html