Until 1982, Sir Seewoosagur Ramgoolam was prime minister, his Labour Party in coalition with Duval's PMSD. In 1982, the coalition of Mouvement Militant Mauricien/Parti Socialiste Mauricien came to power in a landslide electoral victory, with Sir Anerood Jugnauth QC as prime minister and Harish Boodhoo as the deputy prime minister. The coalition split in 1983, with Sir Anerood Jugnauth QC forming the Mouvement Socialiste Mauricien (MSM), which became the governing party, with Jugnauth as prime minister.