Listen to Chalna Hai Tera Kaam (Sad) online. Chalna Hai Tera Kaam (Sad) is a Hindi language song and is sung by Bappi Lahiri. Chalna Hai Tera Kaam (Sad), from the album Prem Pratigyaa, was released in the year 1989. The duration of the song is 1:46. Download Hindi songs online from JioSaavn.