The health of rivers in Uttarakhand has deteriorated substantially due to violation of environment laws by various hydroelectric projects in the hill State.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/uttarakhand-rivers-vanishing-due-hydro-projects
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/pioneer-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hydroelectricity
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttaranchal-uttarakhand
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bhagirathi
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/alakananda
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/reservoirs
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tehri
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-environment-and-forests-moef
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/garbage
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-disposal
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dams-irrigation