Kanchanamarketed as MuniKanchanais a 2015 Tamil horror comedy film produced, written and directed by Raghava Lawrence, who enacted dual roles in it. It is the third installment in the Muni series after MuniKanchana. The film, also featuring Taapsee Pannu, Nithya Menen and Kovai Sarala in lead roles, released worldwide onApril 2015. The Telugu version Ganga was released onMay 2015.
While shooting on a nearby beach, Nandini discovers a Thali a sacred string used to finalize a wedding and after the discovery, mysterious events start taking place. So, Nandini decides to visit a priest. The priest discovers that the Thali is actually haunted, lets Nandini out of his room and returns the Thali to the spirit. But Nandini doesnt seem to believe it and the priest challenges her to check the place where she had taken it from. After Nandini and Pooja disturb the Thali for a second time, it doesnt leave them. She rushes to the priest and he helps her. As instructed by him, she prepares a coffin and a groomed womans corpse which has the Thali. They move to a distance and shoot to see that the coffin literally breaks open and the dead woman is dragged by the ghost. All the members run away out of fear and Raghava collapses. The priest who helps Nandini is also killed by the ghost. Nandini tries to wake Raghava up but is too late as she gets possessed by the ghost of Ganga.Raghava and Nandini move into another house where the haunted Nandini is planning something and to their surprise Raghavas mother and Nandinis sisterinlaw also come to stay there. Several changes occur in Nandini which only Raghava notices at first she starts smoking at night and even physically assaults Raghava. Soon, all realize that she is possessed. Nandini Now possessed as Ganga, influences Shivas ghost to be sent into Raghava. When Raghavas mother and Nandinis sisterinlaw return, they are beaten up, run to a church and learn about Shiva also Raghava Lawrence and Ganga Nithya Menen. Ganga is a handicap but Shiva loves her very much. But the evil Marudhu Jayaprakash killed and buried them when Ganga refused to marry his mentally retarded son Shankar. Before dying, however, Shiva has killed Shankar. When Raghava possessed as Shiva kills Marudhus henchman, he comes to know that a spirit killed him. He gets a tantric and revives his dead son to kill Shiva and Ganga. Shiva battles Shanka
Source: Wikipedia