Rajasthan government requested the CPCB to asses the extent of pollution by joint monitoring of the rivers and their tributaries as well as the canals originating from Punjab at Harike.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/rajasthan-flagged-polluted-water-punjab-last-year
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/beas
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-supply
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rajasthan
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/total-dissolved-solids
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-pollution-control-board-cpcb