Listen to Kottum Muzhakku online. Kottum Muzhakku is a Tamil language song and is sung by Pushpavanam Kuppusamy. Kottum Muzhakku, from the album Kaathu Ratchikannum Bhagavaane, was released in the year 1996. The duration of the song is 4:16. Download Tamil songs online from JioSaavn.