Listen to Allar Oli Lenngta Baba online. Allar Oli Lenngta Baba is a Bengali language song and is sung by Sharif Uddin. Allar Oli Lenngta Baba, from the album Lengta Babar Notun Rouja, was released in the year 2019. The duration of the song is 5:53. Download Bengali songs online from JioSaavn.