Asthram is a 1983 Indian Malayalam film, directed by P. N. Menon. The film stars Mohanlal, Mammootty, Nedumudi Venu and Bharath Gopi in lead roles. The film had musical score by Shyam.
Capt. C. S. Nair and Rekha are happily married couple.Captain meets Balu a photographer accidentally and he likes him very much and treat as his own brother.Captain leaves for his job and Rekha and Balu fall in an affair accidentally.Balu realize that it is a mistrust and runaway from affair.