Listen to Aaj Saradin Swapner Din online. Aaj Saradin Swapner Din is a Bengali language song and is sung by Subhamita and Rupankar. Aaj Saradin Swapner Din, from the album Bondhu Eso - Bengali Modern Songs, was released in the year 2017. The duration of the song is 4:01. Download Bengali songs online from JioSaavn.