Listen to Kahe Itna Gumaan online. Kahe Itna Gumaan is a Hindi language song and is sung by Ravi, Asha Bhosle and Mohammed Rafi. Kahe Itna Gumaan, from the album Bharosa, was released in the year 1963. The duration of the song is 4:32. Download Hindi songs online from JioSaavn.