Unable to stand her husband's suspicions, Janaki left him and found sanctuary with Captain Jagdeesh who was a widower with a young daughter, Indhu.

In the years of separation with Janaki, Raghuraman realised the error of his ways and is sympathetic to her current situation.

Unnai Naan Santhithen was produced by Kovaithambi under Motherland Pictures, and was the fourth directorial venture of K. Rangaraj,[4] who also wrote the screenplay.

Editing was handled by R. Bhaskaran and B. Krishnakumar, and cinematography by Dinesh Baboo, while Aaroor Dass wrote the dialogues.

[13] "Devan Thantha Veenai" was adapted from "Nanna Jeeva Neenu" from the 1981 Kannada film Geetha.

[15] Jayamanmadhan of Kalki praised the performances of actors, Ilaiyaraaja's music, Dinesh Babu's cinematography and flashbacks but panned the climax.