A new section in this book has been added providing agro techniques for the profitable cultivation of these plants, which can be adopted by the farmers and others interested in improving their yields from such farms. The standardization of crude drugs as per the ISO standards is an important aspect that needs priority and has been discussed in the book. Different aspects of biodiversity conservation and the efforts to be made for systematic collection of the germplasm of the plants have also been discussed. This volume aims to serve as a compendium for the detailed information on the subject and resource book for the scientists, drug farmers, export agencies and conservation managers to further explore the development of agrotechniques for the greater benefit of the Indian society.