Listen to Oi Mahasindhur Opar Theke online. Oi Mahasindhur Opar Theke is a Bengali language song and is sung by Manabendra Mukherjee and Dwijendralal Roy. Oi Mahasindhur Opar Theke, from the album Melodic Manabendra Mukherjee, was released in the year 2018. The duration of the song is 3:47. Download Bengali songs online from JioSaavn.