Studies relating to subsidies, where these could be safely formulated in the context of international trade, often occupy centre-stage. Estimates of subsidies arising out of government policy/expenditure programme are relatively less well understood.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/user-charges-production-costs-and-cost-under-recovery-public-sector-road
[2] http://admin.indiaenvironmentportal.org.in/category/author/mukesh-anand
[3] http://admin.indiaenvironmentportal.org.in/category/journal/indian-journal-transport-management
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/transport
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/road-transport
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/subsidies
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-sector
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rajasthan
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/buses