Listen to Itni Badi Duniya Mein online. Itni Badi Duniya Mein is a Hindi language song and is sung by Mohammed Rafi. Itni Badi Duniya Mein, from the album Toofan Men Pyar Kahan, was released in the year 1963. The duration of the song is 3:37. Download Hindi songs online from JioSaavn.