Listen to Venkatachala Nilayam (Unni) online. Venkatachala Nilayam (Unni) is a Tamil language song and is sung by P. Unnikrishnan and Purandaradasa. Venkatachala Nilayam (Unni), from the album P. Unnikrishnan - The Carnatic Virtuoso, was released in the year 2016. The duration of the song is 6:30. Download Tamil songs online from JioSaavn.