Listen to Eatho Oru Paatu online. Eatho Oru Paatu is a Tamil language song and is sung by Sadhana Sargam and Hariharan. Eatho Oru Paatu, from the album Unnidathil Ennai Koduthen, was released in the year 1998. The duration of the song is 4:26. Download Tamil songs online from JioSaavn.