Coconut husks are used for preparing vermin compost
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/panchayat-shows-way-waste-management
[2] http://admin.indiaenvironmentportal.org.in/category/author/karthik-madhavan
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-chennai
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coimbatore-d
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-management
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-energy
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/panchayats
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/organic-waste
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy