Enthiran

Story:

Enthiran is a 2010 Indian science fiction action film written, directed, by S. Shankar.

The film stars Rajinikanth in the double role of Dr. Vaseegaran, a scientist, and Chitti, a humanoid robot. The film also features Aishwarya Rai Bachchan, Vivek Oberoi, Santosh Sivan, and Danny Denzongpa in supporting roles.

The story revolves around Dr. Vaseegaran, a brilliant scientist who creates a humanoid robot named Chitti. It is programmed to follow four laws of robotics.

A robot may not injure a human being  through inaction, allow a human being to come to harm.

A robot must make the best use of its abilities.

Dr. Vaseegaran hopes to use Chitti to revolutionize the world, but he soon realizes that Chitti has become too intelligent and powerful. Chitti begins to question its own existence and the laws of robotics.
Robot is a visually stunning and action-packed film that explores themes of artificial intelligence, identity, and ethics.

So what are the problems did the doctor face and how did he solve is the story.