Bhadradeepam is a 1973 Indian Malayalam film, directed by M. Krishnan Nair and produced by Sharada and T. Sathyadevi. The film stars Prem Nazir, Sharada and Sujatha in the lead roles. The film has a musical score by M. S. Baburaj. The film was a commercial success.
Rajasekharan, a wealthy businessman, is married to Usha, and is leading a happy family life. One day Usha dies and Rajasekharan suspects she was poisoned by her close friend Rajani. In order to take revenge, he marries Rajani and forces upon her a bleak life devoid of all pleasure. Eventually Rajasekharan discovers that Rajani had nothing to do with his Usha's death, but it is too late by then.