M&M, which has been for long known for its diesel powertrains, is however gradually stepping into the petrol arena and is developing engines for all its models.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bs-vi-will-come-and-go-if-nothing-happened-says-pawan-goenka
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/financial-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bharat-stage-vi
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/auto-industry