Starting with the granddaddy of them all, Project Tiger in 1973, to the more recent vehicular pollution norms and the coming up of sustainable architecture, a green agenda has been part of governance much before it became a globally cool movement.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/10-things-we-did-change-enviornment
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/india-today-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-impact-assessment-eia
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/western-ghats
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ganga-action-plan
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biosphere-reserves
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/project-tiger
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-environment-and-forests-moef
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-environmental-engineering-research-institute-neeri