The government plans to introduce Euro-II emission standards for all petrol-related vehicles, imported or locally assembled, from July 1, 2009, while such standards for diesel vehicles would be enforced from July 1, 2012.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/euro-ii-standards-vehicles-july-1
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/dawn-pakistan
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diesel
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/euro-ii
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pakistan