Listen to Koto Nishi Boisha Roilam online. Koto Nishi Boisha Roilam is a Bengali language song and is sung by Hasina Momtaz. Koto Nishi Boisha Roilam, from the album Bonete Dakisre Kokil, was released in the year 2011. The duration of the song is 3:45. Download Bengali songs online from JioSaavn.