Listen to Oi Mohasindhur Opar online. Oi Mohasindhur Opar is a Bengali language song and is sung by Debashish Raychaudhuri. Oi Mohasindhur Opar, from the album Oi Mohasindhur Opar, was released in the year 2017. The duration of the song is 6:09. Download Bengali songs online from JioSaavn.