Listen to O Dadu O Dadi Maa online. O Dadu O Dadi Maa is a Bengali language song and is sung by Amit Kumar, Ranu Mukherjee and Tapas Bhattacharjee. O Dadu O Dadi Maa, from the album Prem Pujari Bengali, was released in the year 1992. The duration of the song is 6:19. Download Bengali songs online from JioSaavn.