Listen to Happy Birthday Kottivakkam Guna Anna online. Happy Birthday Kottivakkam Guna Anna is a Tamil language song and is sung by Route Gana Rooban. Happy Birthday Kottivakkam Guna Anna, from the album Happy Birthday Kottivakkam Guna Anna, was released in the year 2025. The duration of the song is 3:30. Download Tamil songs online from JioSaavn.