Listen to Onek Kotha Bolechhilem online. Onek Kotha Bolechhilem is a Bengali language song and is sung by Subroto Sengupta. Onek Kotha Bolechhilem, from the album Prermer Badal Namlo, was released in the year 2012. The duration of the song is 3:51. Download Bengali songs online from JioSaavn.