P. G. N. Unnithan
P. G. N. Unnithan was the last diwan of Travancore, serving from 1947 to 1948. He succeeded C. P. Ramaswami Iyer on 20 August 1947 following the latter's resignation. He chaired the Travancore Constitutional Reforms Committee. He relinquished office on 24 March 1948 when people's government led by Pattom Thanu Pillai as prime minister took over.