Green colour colonies of L.monocytogenes surrounded by a black zone on PALCAM agar plates were collected for further confirmation by biochemical tests. L.monocytogenes has given positive results for Indole, Methyl Red, VP test, and sugar fermentation tests like lactose, sacharose, dextrose and also shown ß haemolysis on blood agar plate. The colonies also shown CAMP test positive i.e. arrow head shape haemolysis with Staphylococcus aureus.