Listen to Hallo Yendhan online. Hallo Yendhan is a Tamil language song and is sung by Karthik Raja, Sadhana Sargam and Udit Narayan. Hallo Yendhan, from the album Singer Special Udit-Narayan, was released in the year 2005. The duration of the song is 5:34. Download Tamil songs online from JioSaavn.