Listen to Mastarey Koichhilo online. Mastarey Koichhilo is an Assamese language song and is sung by Nagen Barman and Udoy Barman. Mastarey Koichhilo, from the album Assamese Kuhutia Geet, was released in the year 1986. The duration of the song is 5:09. Download Assamese songs online from JioSaavn.