In 1982 he joined the government service as the first Specialist in Cardiology with the Ministry of Health and was posted to Victoria Hospital, Mauritius.
As Cardiologist, Dr. Bunwaree was responsible for the setting up of a full-fledged ICU and Diagnostic Cardiac Unit at the Sir Seewoosagur Ramgoolam National Hospital in view of starting permanent cardiac surgery centre in Mauritius.
Vasant Bunwaree's political career started in April 1987 when the Prime Minister Anerood Jugnauth announced by-elections in Constituencies 12 (Mahébourg-Plaine-Magnien) and 13 (Rivière-des-Anguilles-Souillac).
Jugnauth presented Vasant Bunwaree and socio-cultural activist Dhandeo Bahadoor of the Human Service Trust as candidates of the Militant Socialist Movement (MSM).
[3] He later joined the Mauritian Labour Party where he served as the Vice President and Secretary General.