Listen to O Rob Ontore Amar online. O Rob Ontore Amar is a Bengali language song and is sung by Khalid Hasan Milu and Runa Laila. O Rob Ontore Amar, from the album Ful Aar Pathor, was released in the year 2001. The duration of the song is 4:08. Download Bengali songs online from JioSaavn.