Grand blockbuster of Sivaji hasn’t stopped Director Shankar and Superstar Rajnikanth for they have assured that Robot will be hundred times grandeur in style than it. Photo sessions have been just now completed at the cost of Rs 1.75Crores. Sources close to the unit have revealed that shooting for the film will hit the floors at United States where a Duet Song Sequence involving Rajnikanth and Aishwarya Rai will be shot at exotic location.It has also revealed that only few portions in the film will be shot in India and other in different parts of the World. A.R. Rahman has completed tuning in melodies for 3 songs and remaining would be completed soon.