Listen to Biday Dao Biday Dao online. Biday Dao Biday Dao is a Bengali language song and is sung by Sayad Imrul Samad. Biday Dao Biday Dao, from the album Imam Hasaner Bispan, Pt. 01, was released in the year 2007. The duration of the song is 9:07. Download Bengali songs online from JioSaavn.