Ilayaraja is the constant in Fazil’s films and he normally renders at least one song in each film. Hence, in Oru naal oru kanavu also, Raja has sung Katril varum… Fazil is all praise for the composer and both expect that this song will be the chart topper for the year. Srikanth and Sonia Agarwal is the lead pair. Besides, Raja has also rendered one song in Thankar’s Chidambarathil oru Appasamy.