Listen to Omthai Kuthuk online. Omthai Kuthuk is an Assamese language song and is sung by Biswanath Reang and Momi Reang. Omthai Kuthuk, from the album Omthai Kuthuk, was released in the year 2021. The duration of the song is 2:30. Download Assamese songs online from JioSaavn.