- Set in a cottage at Kodaikanal, the film is inspired by real-life incidents.
- Vasan Karthik, the son of actor Singamuthu, who had earlier appeared in Maamadurai (2007) and Ayyan (2011), used the new stage name of Karthick Singa for Kodai.
- The film’s soundtrack and background score was composed by Subash Kavi.
- A critic from The Hindu Tamil gave the film two out of five stars, concluding that it was “low on excitement”.
- Kodai was released on 10 February 2023 across Tamil Nadu by PVR Pictures.