Listen to Hey Chillu Chillu online. Hey Chillu Chillu is a Tamil language song and is sung by Dr. Sirkali G. Siva Chidambaram and Nithyasree Mahadevan. Hey Chillu Chillu, from the album Kannadi Pookal, was released in the year 2004. The duration of the song is 4:43. Download Tamil songs online from JioSaavn.