Listen to Kar Do Karam Ek Bar Khwaja online. Kar Do Karam Ek Bar Khwaja is a Hindi language song and is sung by Mujtaba Naza and Mumtaj Nazan. Kar Do Karam Ek Bar Khwaja, from the album Khwaja Ka Ghulam, was released in the year 2007. The duration of the song is 8:04. Download Hindi songs online from JioSaavn.