The previous low was Rs 3.46 per unit during an auction held in February.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/telangana-wind-power-rate-falls-rs-264-unit
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-chronicle-telangana
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/telangana
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wind-energy
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-new-and-renewable-energy
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-energy
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy