Listen to Guruvaayoorappane (Unni Krishnan) online. Guruvaayoorappane (Unni Krishnan) is a Carnatic language song and is sung by Unni Krishnan. Guruvaayoorappane (Unni Krishnan), from the album Unni Krishnan, was released in the year 2006. The duration of the song is 5:15. Download Carnatic songs online from JioSaavn.