With the international demand for henna picking up, the Rajasthan government has taken a series of measures to increase the area under its cultivation and also to have a higher yield per hectare.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/rajasthan-government-plans-increase-area-under-henna-cultivation
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/financial-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture