Vadakkumnadhan (Lord Shiva) is a 2006 Indian Malayalam-language psychological drama film directed by Shajoon Kariyal and written by Gireesh Puthenchery.

It stars Mohanlal as Iringannoor Bharatha Pisharody, a university professor diagnosed with bipolar disorder.

[1][2] The film is an unusual love story, focusing on mental health and tolerance towards it in society.

[3] Iringannoor Bharatha Pisharody, a professor at the Sanskrit University, is a knowledgeable man with a keen interest in the Vedas, Astrology, and Kathakali.

Meera is his fiancée by birth (murapennu), being the daughter of his maternal uncle, Balarama Pisharody, and also his student.

As the bride arrives for the wedding, she and her family realize to their utter dismay and desolation that the groom has disappeared.

His brother, Prabhakan (Biju Menon), is married and his sister, Bhama, is awaiting marriage proposals.

Prabhakaran loses his cool and breaks his suitcase, only to find his reports from medical college saying that Bharathan suffers from bipolar disorder.

[3] Manoj Rammohan of Deccan Herald wrote, "In this character, Mohanlal lives the role--be it a famous Sanskrit scholar, a respected teacher and even a rebel against the societial norms - whether in rejecting awards or slipping into isolation.