1. Teri Energy Data Directory Yearbook (TEDDY), TERI, 2011.
2. WRI (World Resources Institute), UNEP, UNDP, World Bank. 1998–99 world resources: a guide to global environment. Oxford: Oxford University Press; 1998.
3. Census of India 2001: Fuel Used for Cooking. http://censusindia.gov.in/Census_Data_2001/Census_data_finder/HH_Series/Fuel_used_for_cooking.html .
4. Bhattacharyya SC. Energy access problem of the poor in India: Is rural electrification a remedy? Energy Pol. 2006;34(18):3387–97.
5. Ministry of New and Renewable Energy (MNRE). www.mnre.gov.in . Accessed 2011.