Hari

One of the twin sons of a family gets stolen during a train journey, after which the child grows up in another family as the son of a childless couple, as Vetrivel aka Vel (Surya). Meanwhile the other kid grows up to be a private detective, Vasudevan (Surya). Vasudevan's girlfriend Swathi (Asin) runs across Vel & informs Vasudevan about him. After Vel & Vasudevan realize that they are brothers, they decide to switch places, & Vasudevan takes on Vel's arch rival Sakkara Pandi (Kalabhavan Mani).

Two neighboring villages, the Christian dominated Veppamkulam & the Hindu dominated Puliyankulam, are at constant loggerheads. Periyasami (Raj Kiran), the leader of Puliyankulam is a voice of reason whilst Michael Susai (Nasser), the leader of Veppamkulam is an ornery religious fanatic. Periyasami's son Sakthivel (Simbu) & Susai's daughter Angel Devi (Sonia Agarwal) go to the same college & fall in love. Facing opposition from both families, they now have to overcome all odds to be together.

A humiliated gangster uses his influence and goon power to terrorize a newly transferred police officer.

Uncompromising police chief Durai Singam battles against a criminal operation dealing in deadly toxic waste. (imdb)

A cop named DCP Rudra is transferred to a new police station. As the city is riddled with crime and corruption, he decides to bring law and order back. (letterboxd.com)

Vijay Rajendran is a happy to-go lucky man. Things change when his father becomes terminally ill, and he is left to manage his business empire. (imdb)