When you've gotta go, you gotta go.. but not if you are on wildlife safari in Vidarbha's several tiger reserves and sanctuaries.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bio-toilets-tourists-inside-tiger-reserves-soon
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/toilets
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanitation
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger-reserves
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanctuaries
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-environmental-engineering-research-institute-neeri
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tadoba-np
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tourism