Aalavandhan is a 2001 Indian action thriller film directed by Suresh Krissna and produced by Kalaipuli S. Thanu. The film features Kamal Haasan in dual roles, alongside Raveena Tandon, Manisha Koirala, Sarath Babu, Gollapudi Maruti Rao, Madurai G.S. Mani. and Milind Gunaji. It is an adaptation of the 1984 novel Dhayam, written by Haasan, and incorporates elements of magical realism. The film was simultaneously shot in Tamil and Hindi, with the latter version titled Abhay, with three different actors in supporting roles. The Tamil version was dubbed into Telugu and released under the title Abhay.

Plot

Major Vijay Kumar, a Black Cat commando, leads a team to rescue tourists held hostage by terrorists in Kashmir. After the mission, Vijay meets his girlfriend, Tejaswini "Teju," a news presenter, and they plan to marry. Teju reveals she is pregnant, sharing her HCG report with Vijay. Meanwhile, Vijay decides to visit his twin brother Nanda Kumar, also known as Nandu, who has been confined to a mental asylum for murdering their stepmother, Jayanthi.