[1] He served as the Chief Justice of the High Court of Travancore before being appointed Diwan in 1929.

[3] In 1931, Subrahmanya Iyer had to deal with a students hartal in Travancore which followed the death of Motilal Nehru.

[3] Subrahmanya Iyer remained active in public life following his retirement as Diwan.

On 25 November 1932, Sir C. P. Ramaswami Iyer, advisor to the Maharaja, appointed him President of the Committee to gauge public opinion before introducing the Temple Entry Proclamation.

However, Sir C. P. Ramaswami Iyer ignored the report and proceeded to introduce the landmark legislation.