Listen to Kalai Nera (Duet) online. Kalai Nera (Duet) is a Tamil language song and is sung by S. Janaki and S P Balasubrahmanyam. Kalai Nera (Duet), from the album Amman Kovil Kizhakale, was released in the year 2021. The duration of the song is 4:21. Download Tamil songs online from JioSaavn.