Links:
[1] http://admin.indiaenvironmentportal.org.in/news/include-swachh-bharat-next-edition-smart-cities-india-expo-housing-and-urban-affairs-secretary
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-line-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/smart-city
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-housing-and-urban-poverty-alleviation
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/total-sanitation-campaign
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanitation