Tulsi is considered to be one of the most popular Ayurvedic herbs found in India in the present days. The juice of this plant has extensive medicinal properties owing to which it is recommended to use the juice of this herb on an extensive scale.The juice of this plant is effective in curing different types of fever. After boiling with water, leaves of this plant can be used as a preventive against dengue and malaria fever. If you have an acute fever, you can make use of these leaves after boiling with cardamom powder in half liter water. It is recognized to be a good germicidal agent that renders protection to the body from different kind of viral infections.