Listen to Allar Oli Lengta Baba online. Allar Oli Lengta Baba is a Bengali language song and is sung by Sharif Uddin. Allar Oli Lengta Baba, from the album Allar Oli Lengta Baba, was released in the year 2007. The duration of the song is 1:00. Download Bengali songs online from JioSaavn.