Vaali
Ajith stars in dual role (as Deva and Shiva - the twins). Deva, the elder, is deaf and mute. Priya (Simran) wants to marry only someone who is an ex-smoker, an ex-drunkard and ditched by a girl but still pining for her. So, Shiva cooks up a romantic story and get married owing to their deep love. Deva also lusts for Simran as he had seen her long before Simran saw Shiva.
Watch "Vaali" on Amazon released in 1999. It's a romance and thriller movie, and has a rating of 7.9 out of 10 from Imdb which is usually fine for this kind of movie, and is currently only available for purchase or rent.