Thilakkam

Thilakkam is a 2003 Malayalam comedy film, directed by Jayaraj. Dileep and Kavya Madhavan plays the lead roles in the movie. Bhavana plays a guest role in this film. The rest of the cast include Nedumudi Venu, K. P. A. C. Lalitha, Nishanth Sagar, Thiagarajan, Jagathy Sreekumar, Cochin Haneefa, Harisree Ashokan, Salim Kumar and Bindhu Panicker. It was remade in 2012 in Kannada as Nandeesha starring Komal.

The villagers realize that Unni is abnormal and is mentally challenged. He behaves like a small boy and creates all sorts of trouble for the villagers and his parents. His main hobby was Mundu collection. He will snatch the lungis worn by people in the village after aiming at it with a hand gesture resembling Okay gesture. This leads to a series of comical incidents in the village.He is given Ayurveda treatment under the guidance of the church priest Jagathy Sreekumar. Ammu looks after Unni, which her cousin Nishant Sagar objects to, as he loves her. Eventually, Ammu starts to love Unni and waits for his recovery to marry him. But finally Unni gets back his memory only to let out the truth that he is not Unni but Vishnu, the son of a Bangalore don Thiagarajan. ........

Source: Wikipedia