He gained his master's degree in Biophysics and a diploma from the Bhabha Atomic Research Centre, Mumbai, before working for a pharmaceutical company.
[3] He went on to star in various plays including Vaasuchi Sasu, Sandhyachaya, Naatigoti, Javai Maza Bhala, Kalam 302 and Ghar Tighanche Have.
He gained recognition for his various comedic and dramatic film roles, notably in Ek Daav Bhutacha (1982), Zapatlela (1993) and Chaukat Raja (1991).
His performances of a simpleton in Prem Kahani and Vidur in Aranyak — a play based on the Mahabharat — were awarded prizes at the Maharashtra State Drama Festival.
Prabhavalkar was recently seen in Faster Fene, a movie inspired by the popular Marathi book series of the same name, authored by B. R. Bhagwat, who he portrays in the film.