Ahead of the release of Thiruvin Kural on Friday, the makers released a single, Vaa Tharagaye, on Thursday. Music composer Anirudh Ravichander released the song on Twitter. The music for the film is composed by Sam CS. 

Sung by Shreya Ghoshal and Abhijith Anilkumar, Vaa Tharagaye is penned by Vairamuthu. The lyrical video portrays the romance between Arulnithi and Aathmika's characters from Thiruvin Kural. 

The upcoming feature is written and directed by debutant Harish Prabhu, who has earlier assisted Arun Kumar and Ranjit Jeyakodi. Thiruvin Kural is the 24th venture of Lyca Productions. While Subathra plays Bharathiraja’s daughter, Aathmika plays a cousin. The shooting for film was wrapped up in 42 days and was shot in Chennai, Puducherry and Karaikal. 

Thiruvin Kural will mark the first collaboration of actors Bharathiraja and Arulnithi. The makers also announced the technical crew. While the cinematography is by Sinto Poduthas, Ganesh Siva is the editor of the film.