Shankar's long awaited movie 'Endhiran' ,has Hariharan rendering two songs. While sources say that a major part of the movie is nearing completion, the graphics will take a relatively long time. Hariharan is singing in two voices. One will be for normal Rajanikanth and the other for robot Rajanikanth. The introduction songs will be performed by S P Balasubramaniam along with Yogi B and Madhushree. The shooting of the movie, that is proceeding in a slow pace is currently filmed at Kottaivakkam near Thiruvanmiyur.