Thiruvin Kural is a psychological action thriller film written and directed by Harish Prabhu and produced by Subaskaran under the banner of Lyca Productions. The film stars Arulnithi, Bharathiraja, and Aathmika in the lead roles with Subatra Robert, Monekha Siva, Ashraf, AR Jeeva, Harish Somasundaram, Mahendran and Mullaiarasi portraying supporting roles. In this film, Arulnithi plays the role of a person with hearing and speech disabilities. The film was released on 14 April 2023, coinciding with Tamil New Year.