In July 1947, preparation were in progress in India for the transfer of power from the British colonial rule.
C. P. Ramaswamy Iyer, an efficient ruler, but showing signs of dictatorship, wanted to have Travancore in his clutches.
He chose to make Travancore a sovereign state, with full executive powers vested on the Diwan.
[5] He also contested to the Kerala Legislative Assembly from the Kuttanad constituency in 1965, as an independent candidate (not the nominee of any political party, But RSP leaders instructed him to submit the nomination, So he could be considered as an RSP Candidate), but without success.
Mani died on September 20, 1987, at an age of 65, in the Chest Diseases Hospital, Pulayanarkotta, Thiruvananthapuram.