Kalavani Mappillai is a 2018 Tamil comedy movie starring Attakathi Dinesh, Adhiti Menon, Ramdoss, and Anandaraj. After Deva falls in love with Thulasi, he realises that he has to prove his driving skills to Thulasi's mother for the marriage to happen. But how will Deva, who is forbidden from driving, manage the situation?