Listen to Oi Mahasindhur Opar Theke online. Oi Mahasindhur Opar Theke is a Bengali language song and is sung by Krishna Chandra Dey. Oi Mahasindhur Opar Theke, from the album Swapan Jodi Madhur Emon, was released in the year 2005. The duration of the song is 3:24. Download Bengali songs online from JioSaavn.