Listen to Koto Valo Lage online. Koto Valo Lage is a Bengali language song and is sung by Gouri Pandey and Bijoy Sarkar. Koto Valo Lage, from the album Songs Of Kobi Bijoy Sarkar, was released in the year 2014. The duration of the song is 7:13. Download Bengali songs online from JioSaavn.