Superstar Rajinikanth and Aishwarya Rai starrer ‘Robot’ movie under the direction of Shankar is known to be the costliest movie ever made in the Indian Cinema. The latest buzz about the film is that filmmakers are also planning to add ‘3D effect’ to it. If this turns out to be true, it is going to be another wonderful addition to the movie. Producers are currently in talks with Hollywood experts on this.