Listen to Singi Mas Oi Kolia online. Singi Mas Oi Kolia is an Assamese language song and is sung by Krishnamoni Chutia and Bhitali. Singi Mas Oi Kolia, from the album Rangdhali 2014, was released in the year 2021. The duration of the song is 8:58. Download Assamese songs online from JioSaavn.