Teacher) is a 2006 Indian Tamil-language action film directed by A. Venkatesh from a story written by Arjun.

The film stars Arjun and Mallika Kapoor, while Vadivelu, Pradeep Rawat, Prakash Raj, Manivannan and Amit Tiwari play supporting roles.

The film opens with former Chief Minister Naachiyar being sentenced to prison for his involvement in the Housing Board construction scam.

Refusing to pay the penalty, Naachiyar vows to exact vengeance on the incumbent Chief Minister for putting him behind bars.

Anjali, a TV reporter hosting a prank show, becomes smitten with Dorai after witnessing his commitment to public service.

She devises a plan to get close to him by pretending to be an orphan and convinces the orphanage attender, Ayyanar, to let her stay at Annai Illam.

Unbeknownst to Susheela, Dorai secretly facilitates Prakash's promotion to manager at Zeo Leather Factory, with the help of Rajaram, who has since reformed.

Dorai's vigilante activities continue, as he kills a rapist and sends the body to the police station, infuriating ACP Eshwara Pandian.

Subramaniam clarifies that the woman is Veera's wife, afflicted with AIDS, and Dorai has been discreetly supporting her.

Despite previously reporting the issue to the education department, Manickavel turned to Dorai due to their inaction.

Tragedy struck when the school mentioned by Manickavel suffered a devastating fire, claiming the lives of 48 children due to inadequate escape facilities.

Determined to stop Naachiyar, Dorai confronts him, only to learn that a bomb has been implanted in the Ganesha statue, which is now part of a procession, threatening thousands of lives.

[3] The scene where Arjun defuses a bomb in Vinayaka Chathurthi was shot in Sri Perumbudur and cost ₹20 lakh.

[4] An assistant director named Rajkumar had lodged a complaint with the Chennai police commissioner stating that his story was stolen and made as Vathiyar.

[citation needed] The film was originally slated to release on Diwali, but was postponed due to financial strains.

[9] S. R. Ashok Kumar of The Hindu wrote "The story is by Arjun and director A. Venkatesh has neatly woven the script to make it enjoyable for the masses".

[10] TSV Hari of Rediff.com wrote "It is incredible that with two decent films Yei and Madarasi under his belt, director Venkatesh could not come up with something better.

But despite the sense of [deja vu], what keeps the story moving is the racy narration, Arjun's fight scenes and the Vadivelu track that provides some fun moments".