Withania Somnifera or Ashwagandha is one of the important plant species known all over the world for its rich medicinal importance. One can also say that it is one of the best natural gifts to mankind. It also has rich importance in Indian Ayurveda; apart from Indian Ayurveda it is also useful in African medicine for variety of disorders. It is also useful in Homeopathy, Siddha, Traditional Chinese Medicine and Unani. It belongs to family Solanaceae and Genus Withania. The herb of Withania Somnifera or Ashwagandha is of rich medical importance. Because of its beneficial properties it is also very much popular during ancient times. It is found mainly in Indian sub continents, North Africa and Middle East. In India Withania Somnifera are generally grown in drier regions namely Madhya Pradesh, Punjab, Gujarat and Rajasthan.