Mard, the 1985 Bollywood action-drama film directed by Manmohan Desai, became a cult classic for its engaging storyline, impeccable performances and screenplay. As the film completed 39 years on November 8, Vindu Dara Singh opened up to ETimes about a fascinating behind-the-scenes moment involving his father, Dara Singh, who played Amitabh Bachchan’s father in the film.