Munnettam is a 1981 Indian Malayalam film, directed by Sreekumaran Thampi and produced by S Kumar. The film stars Mammootty, Ratheesh, Menaka and Jalaja in lead roles. The film had musical score by Shyam.
The music was composed by Shyam and lyrics was written by Sreekumaran Thampi. Unni Menon became popular for singing songs in this film.
Source: Wikipedia