Natural Dyes and its classifications

          India has a rich plant biodiversity which is ranked 11^th as biggest biodiversity in the world. It has approximately 4,90,000 plant species and there is no doubt that the plant kingdom is a treasure-house of diverse natural products. There are several plants / plant parts that provide natural dyes which are used in the textile industry. In many of the world’s developing countries, however, natural dyes can offer not only a rich and varied source of dyestuff, but also the possibility of income through sustainable harvest and sale of these dye plants. Many dyes are available from tree waste or can be easily grown in market gardens. Recently, interest in the use of natural dyes has been growing rapidly due to the result of stringent environmental standards imposed by environmental board and pollution control board of many countries in response to toxic and allergic reactions associated with synthetic dyes.