Listen to Nallu Kallu Sir online. Nallu Kallu Sir is a Tamil language song and is sung by A.L. Raghavan, L.R. Eswari and S.V. Ponnusamy. Nallu Kallu Sir, from the album Sorgam, was released in the year 1970. The duration of the song is 3:36. Download Tamil songs online from JioSaavn.