The central government is looking at lowering the age for scrapping old trucks and buses to 10 years from 15 years.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/10-year-old-trucks-might-have-be-scrapped
[2] http://admin.indiaenvironmentportal.org.in/category/author/swaraj-baggonkar
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/government-india-goi
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-shipping-road-transport-and-highways
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bharat-stage-iv
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution-control