Munia Devi and her son Bholua look forward to the world-famous cattle fair that takes place here every year. They can't afford to buy any animal, but they make a neat packet selling elephant dung.
Elephant dung is known as the poor man's mosquito repellant. When burnt, it gives out a pungent smoke that keeps mosquitoes away.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/elephant-dung-source-livelihood-mosquito-repellant
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-herald-bangalore
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/animal-dung
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/animal-care
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bio-vector-control
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/elephant
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bihar