Listen to Kya Hua Tera Vada - What Happened To Your Promise (Hum Kisi Se Kum Nahin) online. Kya Hua Tera Vada - What Happened To Your Promise (Hum Kisi Se Kum Nahin) is a Hindi language song and is sung by Sonu Nigam, Gunjan and Cbso. Kya Hua Tera Vada - What Happened To Your Promise (Hum Kisi Se Kum Nahin), from the album Sonu Niigaam And Cbso - Rafi Resurrected - Vol 1, was released in the year 1994. The duration of the song is 4:26. Download Hindi songs online from JioSaavn.