Thiilu mullu starring by Rajinikanth and madhavi. Aiyampettai Arivudainambi Kaliyaperumal Chandran @ A.A.K.Chandran (Rajnikanth) is a playful youngster, intent on having fun with his group of like-minded friends. With advice from a family friend (Poornam Viswanathan), he poses as a devout, patriotic, and simple man with good morals to get a job at the company owned by Sri Ramachandramoorthy ('Thengai' Srinivasan).
But when his boss spots him at a football match, to which he had gone by lying about an injury to a non-existent mother, Chandran invents a younger brother Indran to solve the predicament. Chandran removes his moustache to become Indran and in that disguise, falls in love with Ramachandramoorthy's daughter Sarojini(Madhavi). The movie focuses on Chandran trying to impress both his boss and Sarojini, often involving additional lying and acting.The film also has Kamal Hassan doing a cameo role as a lawyer in High court.