Listen to Bondhur Kalo Kalo Thotay online. Bondhur Kalo Kalo Thotay is a Bengali language song and is sung by Sarnali. Bondhur Kalo Kalo Thotay, from the album Digital Prem, was released in the year 2017. The duration of the song is 4:20. Download Bengali songs online from JioSaavn.