"Status of Sewage Treatment in India"(PDF). Central Pollution Control Board, Ministry of Environment & Forests, Govt of India. 2005. Archived(PDF) from the original on 30 October 2017. Retrieved 31 December 2011.
Tim Buckley; Kashish Shah (21 November 2017). "India's Electricity Sector Transformation"(PDF). Institute for Energy Economics and Financial Analysis. p. 2. Archived(PDF) from the original on 6 May 2018. Retrieved 5 May 2018.
"NPCIL Annual Report, 2010–2011"(PDF). Nuclear Power Corporation of India Limited. 2011. Archived(PDF) from the original on 18 June 2016. Retrieved 6 April 2016.
"Year End Review – 2011". Press Information Bureau, Government of India. December 2011. Archived from the original on 10 January 2016. Retrieved 1 January 2012.
"India, Biofuels Annual 2011"(PDF). United States Department of Agriculture: Global Agricultural Information Network. July 2011. Archived from the original(PDF) on 15 February 2017. Retrieved 1 January 2012.
Tim Buckley; Kashish Shah (21 November 2017). "India's Electricity Sector Transformation"(PDF). Institute for Energy Economics and Financial Analysis. p. 2. Archived(PDF) from the original on 6 May 2018. Retrieved 5 May 2018.
"Status of Sewage Treatment in India"(PDF). Central Pollution Control Board, Ministry of Environment & Forests, Govt of India. 2005. Archived(PDF) from the original on 30 October 2017. Retrieved 31 December 2011.
"NPCIL Annual Report, 2010–2011"(PDF). Nuclear Power Corporation of India Limited. 2011. Archived(PDF) from the original on 18 June 2016. Retrieved 6 April 2016.
"Year End Review – 2011". Press Information Bureau, Government of India. December 2011. Archived from the original on 10 January 2016. Retrieved 1 January 2012.
"India, Biofuels Annual 2011"(PDF). United States Department of Agriculture: Global Agricultural Information Network. July 2011. Archived from the original(PDF) on 15 February 2017. Retrieved 1 January 2012.