Hariharan Pillai Happy Aanu (2003)

Hariharan Pillai is running his construction company with uncle Velappan. He constructs a house for the rich money lender Satyapalan, who doesn't pay them after completing the house. Though at first doesn't like him, Satyapalan's daughter Kavya falls for Hariharan Pillai. Pillai also has to take care of sister Latha, who is in love with Nikhil. How Hariharan Pillai sorts out all the issues and gets Kavya forms the rest of the story.