Lotus Heart) is a 1968 Indian Tamil-language romantic drama film written and directed by K. Balachander.

The film stars Gemini Ganesan, B. Saroja Devi and Vanisri, with Major Sundarrajan and Nagesh playing supporting roles.

The film was remade in Telugu as Mooga Prema (1971), in Hindi as Haar Jeet (1972) and in Kannada as Mugila Mallige (1985) by Balachander himself.

However, when Radha finds out about this, she feels guilty and starts pushing away Murali towards Kamala thereby turning all three lives into hell.

In the end, Kamala, who serialises her story in a weekly magazine through which Radha figures it out, concludes that the only way to resolve this is to kill herself.