Listen to Asim Kalsagare online. Asim Kalsagare is a Bengali language song and is sung by Swagatalakshmi Dasgupta. Asim Kalsagare, from the album Uttare Ei Haoa - Swagatalakshmi Dasgupta, was released in the year 2003. The duration of the song is 3:20. Download Bengali songs online from JioSaavn.