Listen to Allar namti Koro Sar online. Allar namti Koro Sar is a Bengali language song and is sung by Rubel Boyati. Allar namti Koro Sar, from the album Allar namti Koro Sar, was released in the year 2025. The duration of the song is 8:12. Download Bengali songs online from JioSaavn.