Listen to Main Kya Janu Kya Jaadoo Hai online. Main Kya Janu Kya Jaadoo Hai is a Hindi language song and is sung by K.L.Saigal. Main Kya Janu Kya Jaadoo Hai, from the album Main Kya Janu Kya Jaadoo Hai, was released in the year 1940. The duration of the song is 3:01. Download Hindi songs online from JioSaavn.