Maattrraan (transl. Alternate) is a 2012 Indian Tamil-language action thriller film directed by K. V. Anand, who co-wrote the script with Subha, and produced by AGS Entertainment. The film stars Suriya in a dual role as conjoined twins and Kajal Aggarwal in the female lead, alongside Sachin Khedekar and Tara in pivotal roles with an ensemble supporting cast. It follows two brothers who investigate a genetic conspiracy related to their father's company.