Listen to O Ganga online. O Ganga is a Bengali language song and is sung by Dilip Ganguly and Hemanta Kumar Mukhopadhyay. O Ganga, from the album Olo Soi Dekhey Jarey Dekhey Ja, was released in the year 1978. The duration of the song is 3:26. Download Bengali songs online from JioSaavn.