India, endowed with rich diversity in its flora and fauna is considered to be one of the top twelve mega-diversity countries of the world. Being a Subcontinent, it encompasses 15 different agro-climatic zones, 10 vegetarian zones, 25 biotic provinces and 426 biomes. Almost all the shades of climates, from the hottest Thar desert to arctic environment in Himalaya, with intermediate gradations, occur in India. the nature of diversity in environmental regimes and its position at the tri-junction of African, Eurasian and Oriental biotas have enabled India to harbor over 125,000 species of living organisms, constituting about 5% of known species of the world. Out of the 34 hot spots of biodiversity identified in the world, India share geographic area of four hot spots located in the Himalaya, western Ghats & Srilanka, Indo-Burma and Sundaland.
This technical Report would certainly serve as useful reference document for scientists, academicians, Ayurveda drug manufacturing industry and will also be of immense help to scholars pursuing research.