Rahasya (English:Mystery) is a 2015 Indian murder mystery film which is directed by Manish Gupta. The film stars Kay Kay Menon, Tisca Chopra, Ashish Vidyarthi, Mita Vashisht and Ashwini Kalsekar. The film was inspired by the Aarushi murder case, which was met with some criticism by Rajesh and Nupur Talwar.The film was released on 30 January 2015 to positive reviews.
The film revolves around the story of an 18-year-old girl, Ayesha Mahajan (Sakshi Sem), who is murdered in her own house. Her father Dr. Sachin Mahajan (Ashish Vidyarthi) is deemed the prime suspect for the murder.
CBI Officer Sunil Paraskar (Kay Kay Menon) picks up the case and soon finds evidence that makes it more difficult to determine who exactly is responsible for Ayesha’s death. He investigates role of Ayesha’s father Dr. Sachin Mahajan (Ashish Vidyarthi), mother, Dr. Aarti Mahajan (Tisca Chopra), maid Remi (Ashwini Kalsekar) and determines the truth.