Listen to Oi Saptasindhu online. Oi Saptasindhu is a Bengali language song and is sung by Alok Roy Chowdhury and Dwijendralal Roy. Oi Saptasindhu, from the album Abismorneeyo Parody, was released in the year 2007. The duration of the song is 4:55. Download Bengali songs online from JioSaavn.