Listen to Wada Hai Kya Kya Hai Kasam online. Wada Hai Kya Kya Hai Kasam is a Hindi language song and is sung by Kishore Kumar and Bappi Lahiri. Wada Hai Kya Kya Hai Kasam, from the album Taxi Chor, was released in the year 1980. The duration of the song is 6:18. Download Hindi songs online from JioSaavn.