Next to yoga, the bucket bath is probably the most fascinating holistic health philosophy to emanate from India.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/make-water-wastage-beyond-pail
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/economic-times-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-conservation