In the movie "Robot", who played the male lead and what was his robot's name?

Answer 1

Robot was a 2010 Indian Tamil-language science fiction film directed by S. Shankar and co-written by him and Sujatha Rangarajan. The film stars Rajinikanth and Aishwarya Rai Bachchan in lead roles.
In the movie, Rajnikanth introduced the robot, named Chitti, at a robotics conference in Chennai.