Urbanisation, rampant felling of trees to blame for the depletion
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/water-resources-depleting-ganga-catchment-area-study
[2] http://admin.indiaenvironmentportal.org.in/category/author/bd-kasniyal
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttaranchal-uttarakhand
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urbanisation
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water-scarcity
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/yamuna