Listen to Chenai Mor O online. Chenai Mor O is an Assamese language song and is sung by Bhupen Hazarika and Usha Mangeshkar. Chenai Mor O, from the album Asom Desher Baagichhare, was released in the year 1972. The duration of the song is 3:44. Download Assamese songs online from JioSaavn.