Listen to Kothao Amar online. Kothao Amar is a Bengali language song and is sung by Mrinal Mukherjee, Kakoli Roy, Snigdha Banerjee and Suvrojeet Jana. Kothao Amar, from the album Ranga Hasi Rashi Rashi, was released in the year 2018. The duration of the song is 2:58. Download Bengali songs online from JioSaavn.