Listen to Ah Aha Indru Then Nilavu online. Ah Aha Indru Then Nilavu is a Tamil language song and is sung by L. R. Eswari. Ah Aha Indru Then Nilavu, from the album Ethirigal Jakkirathai, was released in the year 1967. The duration of the song is 3:42. Download Tamil songs online from JioSaavn.