Enthiran (transl. Robot) is a 2010 Indian Tamil-language science fiction action film co-written and directed by S. Shankar. It is the first instalment in the Enthiran film series. The film stars Rajinikanth in dual lead roles as a scientist and the robot he created, respectively. Aishwarya Rai Bachchan, Danny Denzongpa, Santhanam and Karunas play supporting roles. The soundtrack album and background score were composed by A. R. Rahman while the dialogues, cinematography, editing and art direction were handled by Madhan Karky, R. Rathnavelu, Anthony and Sabu Cyril and action sequences was done by Peter Hein respectively. The story revolves around the struggle of a scientist named Vaseegaran to control his sophisticated android robot named Chitti, after Chitti's software is upgraded to give it the ability to comprehend and exhibit human emotions and to commission it to the Indian Army. The project backfires when Chitti falls in love with Vaseegaran's girlfriend Sana, and is manipulated by Vaseegaran's mentor Bohra into becoming homicidal.