He is credited for his efforts to keep the party alive when its leadership was thrown in jail by the Labour Party-PMSD regime for close to a year in 1972 following the 1970 Triolet No.5 by-elections and the December 1971 strikes.
He was elected to the Legislative Assembly in 1976 in Constituency No.2 Port Louis along with MMM candidates Noël Lee Cheong Lem and Rajiv Servansingh.
[10] During that same year Kader Bhayat represented MMM parliamentarian Vijay Jandoosing who was being prosecuted for having openly criticised the fine of Rs 500 which had been imposed on his colleague Krishnalall Coonjan by a magistrate in 1977.
[11] In 1989 he was the defence lawyer of Sir Gaëtan Duval who had been arrested on charges of having plotted the murder of Azor Adelaide (1971) following statements made by ex-prisoners Paul Sarah and Moorgesh Shummoogum.
In 1977 when he was elected Lord Mayor of Port Louis he nominated a dock-worker called Régis Grivon as his assistant to remain close to the common folk.