Listen to Oi Mahasindhur Opar Theke online. Oi Mahasindhur Opar Theke is a Bengali language song and is sung by Nupurchhanda Ghosh. Oi Mahasindhur Opar Theke, from the album Oi Mahasindhur Opar Theke, was released in the year 2021. The duration of the song is 2:03. Download Bengali songs online from JioSaavn.