In a city that sees rising pollution levels every year, officials estimate that CNG cremations cause significantly less pollution and are cheaper.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/gurgaon-six-years-it-was-built-lone-cng-crematorium-yet-see-funeral
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/haryana
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/crematoriums
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/gurgaon-t
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-security
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment