After a decade of research, the scientist Vaseegaran creates a sophisticated android robot with the help of his assistants, Siva and Ravi, to commission it into the Indian Army. He introduces the robot, named Chitti, at a robotics conference in Chennai. C

Shiva, a bus conductor, robs the corrupt in order to fund an organisation that aids those with disabilities. To avoid detection and trial, he pretends to be his twin, who has disabilities.

A brilliant scientist builds a humanoid robot to protect mankind, but things go awry when human emotions are programmed and inner turmoil causes the robot to act against him.