Order of the National Green Tribunal in the matter of Vardhaman Kaushik Vs. Union of India & Others dated 23/05/2017 regarding registration of BS-IV compliant diesel vehicle used for the purpose of transportation of LPG cylinders, bottling plant in Delhi.
NGT permits the registration of Euro-IV vehicle subject to the condition that they are BS-IV compliant and used only for the purpose of transportation of LPG cylinders, bottling plant to the designated places and it will have GPS fixed in them.
Links:
[1] http://admin.indiaenvironmentportal.org.in/content/order-national-green-tribunal-regarding-registration-bs-iv-compliant-diesel-vehicle-used
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diesel
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-standards
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/euro-iv
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[8] http://admin.indiaenvironmentportal.org.in/thesaurus/national-green-tribunal-ngt
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/court