Finance Minister Arun Jaitley in Budget 2015 delivered a first. India has accepted that it has a de facto carbon tax — on petroleum products and on dirty coal.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/decoding-budgets-carbon-tax
[2] http://admin.indiaenvironmentportal.org.in/category/author/sunita-narain
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/budget
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-tax
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diesel
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cse
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sunita-narain
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change