Listen to Keno Eto (Duet) online. Keno Eto (Duet) is a Bengali language song and is sung by Konal and S. I. Tutul. Keno Eto (Duet), from the album Aaro Bhalobasbo Tomay, was released in the year 2015. The duration of the song is 4:58. Download Bengali songs online from JioSaavn.