Infrastructure Company C&C Constructions is investing .
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cc-constructions-spend-2000-cr-build-bihar-roads
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/economic-times-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/roads
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bihar
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/infrastructure-development
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/habitat-and-urbanisation
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-highways-authority-india-nhai
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/highways