In 2006, the Centre had approved the National Tariff Policy under the provisions of the Electricity Act 2003.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/new-power-tariff-policy-focus-clean-energy
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/asian-age-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy-policy
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[5] http://admin.indiaenvironmentportal.org.in/thesaurus/jawaharlal-nehru-national-solar-mission-jnnsm
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/power-industry
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy