Sayahnam is a 2000 Malayalam feature film that marks the directorial debut of R. Sarath, who also wrote the screenplay. The film is a drama centred on the environmental and anti-nuclear issue in India. It stars O. Madhavan, Gomathi Mahadevan, Ebrahim Kutty and Alex Kadavil. It won seven Kerala State Film Awards and two National Film Awards.

Plot

An old man, who is a writer, is proud of his son who is a scientist, but upset about the country's involvement in nuclear tests. He finds himself increasingly isolated as his own son celebrates the nuclear advances made in India