Leaf surface is the plateform of the numerous fungal spores present in the air. During suitable microhabitat these spores are settled down on this having plateform and try to colonised. After settal down fungal spores, a triangular relationship appears among the micro-organisms, leaf surface and the environment. The seeds, leaves and the roots of Ocimum sanctum have great medicinal value. It is used both, internally as well as externally. Ocimum sanctum has mild antiseptic, analgesic properties and it relieves the swellings also. Hence, it beneficial, externally, in various skin diseases. The...