Actor Dhanush has wished good luck to his wife and filmmaker Aishwarya for her next Tamil directorial, a biopic on Indian Paralympic high jumper Mariyappan Thangavelu.The news of the film titled "Mariyappan" was announced on Sunday to coincide with New Year's Day. Superstar Shah Rukh Khan unveiled the film's first look poster on Twitter."Happy happy happy birthday Aishwaryaa R. Dhanush... The poster looks smashing. All the very best to you and the team. Mariyappan," Dhanush tweeted on Sunday. Titled "Mariyappan", the film will throw the spotlight on the life of the 21-year-old high jumper from Salem district in Tamil Nadu. In 2016 Summer Paralympic games held in Rio de Janeiro, Mariyappan won gold for India in high jump in T-42 category.The film will have music by Sean Roldan, cinematography by Velraj and dialogues by filmmaker Raju Murugan. The poster also revealed that the film will be simultaneously shot in English as well.