Ghajini is a 2008 Bollywood film directed by Murugadoss and produced under Geetha Arts. It is a remake of the Tamil film with the same name, which was also directed by Murugadoss. The plot of Ghajini is based on the Hollywood film Memento, written and directed by Christopher Nolan. It stars Aamir Khan, Asin Thottumkal and Jiah Khan in lead roles while Pradeep Rawat and Riyaz Khan essay supporting roles. Aamir Khan spent a year at the gym, continuously training with his personal trainer for the role. The movie is an action-thriller, with strong romantic elements, that explores the life of a rich businessman who develops anterograde amnesia following a violent encounter in which his love interest, model Kalpana, was killed. He tries to avenge the killing with the aid of Polaroid Instant camera photographs and permanent tattoos on his body. The character of Aamir Khan will also feature in a 3-D video game titled Ghajini The Game, which is based on the movie.