At the 1953 general elections he was elected for the first time to the Legislative Council in Moka-Flacq, representing
Labour Party alongside Ackbar Gujadhur and
Satcam Boolell. At the 1959 and 1963 elections he was elected to the Legislative Council at No. 17 Quartier Militaire after standing as candidate of
Labour Party. In 1967, he was elected to Legislative Council at Constituency No. 8 (Quartier Militaire-Moka) as candidate of the
Independence Party coalition alongside Mahess Teeluck and Abdool Razack Mohamed. In 1976, he was re-elected at No. 8, alongside Mahess Teeluck. He held the portfolio of
finance minister of Mauritius during most of these terms. But at the 1982 general elections he was not elected following the landslide victory of MMM-PSM against
PTr-PMSD. He served as
governor-general of Mauritius from 17 January 1986 to 12 March 1992, when it became a republic. Ringadoo then served as interim
president until later in 1992, when he was replaced by the second president,
Cassam Uteem. ==Awards and honours==