Listen to Oi Bahag Ahil online. Oi Bahag Ahil is an Assamese language song and is sung by Ashoke Deka and Urmila Devi. Oi Bahag Ahil, from the album Assamese Songs Asoke Deka - Urmila Devi and Dolly Ghosh, was released in the year 2006. The duration of the song is 3:01. Download Assamese songs online from JioSaavn.