Listen to Na Hum Pagal Hain online. Na Hum Pagal Hain is a Hindi language song and is sung by Kishore Kumar, Shailender Singh and Bappi Lahiri. Na Hum Pagal Hain, from the album Taxi Chor, was released in the year 1980. The duration of the song is 5:45. Download Hindi songs online from JioSaavn.