Kathavarayan is a 2008 Indian Tamil language action drama film directed by Salangai Durai and starring Karan, Vidisha, and Vadivelu.
The film revolves around Kathavarayan, who sells illicit arrack in Hogenakkal, Dharmapuri. Despite his involvement in the arrack trade, he is a man with a golden heart.
A student named Malathy arrives in the village as part of her NSS project and vows to end the arrack menace. Her efforts lead to Kathavarayan's arrest and imprisonment in Chennai.
Malathy's attempts to expose drug peddlers in Chennai backfire, and she falls prey to a conspiracy. She is arrested for possessing drugs and imprisoned.
Kathavarayan leaves jail to retaliate against Malathy but learns her true intentions and dire situation. He masterminds a plan to join the drug-peddling gang and expose them to save Malathy.
The film was released on May 30, 2008, with music composed by Srikanth Deva, cinematography by A. Karthik Raja, and editing by Peter Babiya.