Listen to O Dadu Razzak Dadu online. O Dadu Razzak Dadu is a Bengali language song and is sung by Atika Rahman Momo. O Dadu Razzak Dadu, from the album O Dadu Razzak Dadu, was released in the year 2025. The duration of the song is 4:14. Download Bengali songs online from JioSaavn.