The environment control department at Bokaro Steel is converting factory effluents to eco-friendly bricks that have also made a niche in the local market.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bsl-puts-green-brick-environ-target-wall
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-ranchi-0
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/iron-and-steel-industry
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fly-ash-bricks
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-products