Listen to Koto Kotha Chilo online. Koto Kotha Chilo is a Bengali language song and is sung by Madhusudan Bairagya and Voba Pagla. Koto Kotha Chilo, from the album Rangeela Boudi, was released in the year 2011. The duration of the song is 5:54. Download Bengali songs online from JioSaavn.