Listen to Oi Mahasindhur Opar Theke online. Oi Mahasindhur Opar Theke is a Bengali language song and is sung by Kavita Krishnamurthy. Oi Mahasindhur Opar Theke, from the album Oi Mahasindhur Opar Theke - Single, was released in the year 2018. The duration of the song is 5:17. Download Bengali songs online from JioSaavn.