Listen to Un Heart Weight Ethana Kg Mah online. Un Heart Weight Ethana Kg Mah is a Tamil language song and is sung by Gana Sakthi. Un Heart Weight Ethana Kg Mah, from the album Un Heart Weight Ethana Kg Mah, was released in the year 2023. The duration of the song is 3:50. Download Tamil songs online from JioSaavn.