Enthiran

Enthiran () is a 2010 Indian Tamil-language science fiction action film co-written and directed by 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. Along with Aishwarya Rai Bachchan, actors like 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.

After being stalled in the development phase for nearly a decade, the film's principal photography began in 2008 and lasted two years. The film marked the debut of Legacy Effects studio (which was responsible for the film's prosthetic make-up and animatronics) in Indian cinema. Enthiran was released worldwide on 1 October 2010. Produced by Kalanithi Maran, it was the most expensive Indian film at the time of its release.