During the Second Assembly of Pondicherry (August 29 - September 19, 1968), P Shanmugham with the Indian National Congress was elected to represent the Couroussoucoupom constituency of the Pondicherry Region.
The Second Assembly of Pondicherry (29 August 1964 - 19 September 1968) succeeded the First Assembly of Pondicherry and was constituted after the victory of Indian National Congress (INC) and allies in the 1964 assembly election held on 23 August 1964. 
