In 1970, he joined the Film and Television Institute of India Pune, and did two years acting course.
He has acted in 30 films, most famously in Agent Vinod (1977), produced by Rajshri Pictures.
He had impressed Tarachand Barjatya with his performance in Khoon Ki Keemat and was offered two movies.
He later purchased land in Boisar, about 90 minutes from Mumbai airport and is currently building weekend homes.
After his film career, Sandhu started a real estate business, and divided time between Mumbai and Punjab.