Listen to Bolona Kothay Kono online. Bolona Kothay Kono is a Bengali language song and is sung by Sandipan Ganguly and Janiva Roy. Bolona Kothay Kono, from the album A Shudhu Amar Gaan, was released in the year 2012. The duration of the song is 5:10. Download Bengali songs online from JioSaavn.