Mohnish Behl played the role of the elder brother Vivek in the movie Hum Sath Sath Hain. Hum Sath Sath Hain is a 1999 Indian Hindi language drama film written and directed by Sooraj R. Barjatya.The story centers on a family headed by Ramkishan, and containing his wife Mamta as well as three sons, played by the leading actors. The film was shot in Mumbai's Film City and in the villages of Rajasthan state.