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An evolution of the pharmaceutical industry arose around the early part of 20th century in all over the world. With the progress in chemical techniques, crude drugs came to be replaced by pure chemical drugs and the developed countries witnessed a decline in popularity of medicinal plant therapy. However, during the recent past, the pendulum oscillated again towards herbal plants. This revival of interest in plant-derived drugs is mainly due to the current widespread belief that Green Medicine is safe and more dependable than the costly synthetic drugs, many of which have adverse side...