Listen to Harivarasanam - Unni Krishnan online. Harivarasanam - Unni Krishnan is a Tamil language song and is sung by Unni Krishnan. Harivarasanam - Unni Krishnan, from the album Ayyapan Padipaatu Collection (Tamil), was released in the year 2019. The duration of the song is 3:51. Download Tamil songs online from JioSaavn.