Listen to Jawanian Yeh Mast Mast (From "Tumsa Nahin Dekha") online. Jawanian Yeh Mast Mast (From "Tumsa Nahin Dekha") is a Hindi language song and is sung by Mohammed Rafi. Jawanian Yeh Mast Mast (From "Tumsa Nahin Dekha"), from the album Voice Of Actors - Rafi for Shammi Kapoor, was released in the year 2019. The duration of the song is 3:04. Download Hindi songs online from JioSaavn.