Links:
[1] http://admin.indiaenvironmentportal.org.in/news/imperative-find-alternative-cement-says-french-expert
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cement
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cement-industry
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution