The one who came to rule) is a 2001 Indian psychological action thriller film directed by Suresh Krissna and produced by S. Thanu. An adaptation of the novel Dhayam that was written by Kamal Haasan in 1984,[3][4] The film stars Haasan in dual roles, with Raveena Tandon, Manisha Koirala, Sarath Babu, Gollapudi Maruti Rao, Madurai G.S. Mani and Milind Gunaji in supporting roles. It has elements of magic realism.
Major Vijay Kumar and his group of the Black Cats save a group of tourists held hostage by terrorists in a Kashmir valley. Meanwhile, at a military hospital, Vijay meets his girlfriend Tejaswini aka Teju, a news presenter who he is ready to marry. Teju reveals she is pregnant after she presents her HCG report to Vijay after one of their dates gone wrong. Vijay then reveals to Teju about his plan to visit his twin brother, Nandhakumar "Nandhu", in a mental asylum who is incarcerated for murdering his stepmother.
Nandhu is a cleverly scheming and with good physical strength, yet paranoidal schizophrenic man who has spent most of his life in the asylum, often communicating using metaphors and poetic expressions. Vijay cares about Nandhu and looks forward to his release, but Nandhakumar's doctor tells him that Nandhu has developed into a psychopath. He is now a danger to society and should not be released.