In an interview to Anu Haasan in the talk show Koffee with Anu, Balu Mahendra stated that the film Moondram Pirais theme – a temporary relationship between a childlike woman and a matured man, with their relationship abruptly ending – was based on his relationship with actress Shobha who died in 1980, shortly after their marriage.
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Later, a local woodcutter lusts for Viji and nearly molests her, later she is saved.
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The film was remade the following year as the Hindi film Sadma, with much of the cast and crew from the original reprising their roles.
The song "En Vaazhvile" was reused from Hindi song "Hey Zindagi" which Ilayaraja composed for Sadma, Hindi remake of Moondram Pirai.