Listen to O Dayal online. O Dayal is a Bengali language song and is sung by Neeta Sen, Manna Dey and Protima Banerjee. O Dayal, from the album Selam Memsaheb - Dadamoni - Golap Bou - Dour - Prostuti - Ekhonee, was released in the year 1979. The duration of the song is 4:25. Download Bengali songs online from JioSaavn.