A recently hired policeman named Kumaresan (Soori) is deployed in a politically sensitive village where he is tasked with apprehending Perumal, the leader of a separatist group. (Vijay). He gradually comes to the painful realisation that the heroic tales and glittering badges that are spoken about the police service are not always accurate.Due to the lengthy pre-production of the former, Vetrimaaran was said to team up with Soori for another project in July 2019 while working on Vaadivaasal's pre-production. The late Na. Muthukumar's short story Pattamppoochi Virpavan was chosen for adaptation by Vetrimaaran, who eventually chose Meeran Moideen's novel Ajnabi, which took place in numerous foreign countries, including Oman, Qatar, and Saudi Arabia. In April 2020, Vetrimaaran made the decision to alter the script and used the lockdown period for pre-production work because of the limits on air travel put in place to combat the COVID-19 epidemic. Later, according to media sources, Vetrimaaran had adapted the short story Thunaivan by B. Jeyamohan, and the movie bore the same  The film's official title, Viduthalai, however, was chosen by the producers.Vijay Sethupathi joined the cast of the movie in January 2021 and began filming a few scenes at the beginning of the production,making this his first cooperation with Vetrimaaran. Even though Soori plays a major role in the tale, Vetrimaaran indicated that Sethupathi would play the role of Soori's mentor in the movie, which is thought to be a crucial one.Soori's first leading part in a movie is in this one.A member of the Tamil Desiyam Group named Ku. Kaliyaperumal Vaathiyaar served as the inspiration for the team's recreation of Sethupathi's role.The creators denied the rumors, stating that there is no relationship between Veerappan and the script, despite the fact that Soori's persona is based on the Indian robber Veerappan.It was rumoured that Bharathiraja would work on the movie with Vetrimaaran for the first time.Ilaiyaraaja wrote the soundtrack for the movie.

Ilaiyaraaja working with Vetrimaaran for the first time. The song for the movie was written by Ilaiyaraaja in his recently opened music studio in Kodambakkam, following a falling out with Prasad Studios, where he recorded songs for almost 40 years; It is his first recording made in his own studio, where the music for the movie's soundtrack was created beginning in February 2021. Three of the eight tracks for the movie that Ilaiyaraaja has recorded as of May 2021 were described as "situational numbers" by sources.Sony song India has acquired the song rights. On February 8, 2023, the debut single, "Onnoda Nadandhaa," was made public.