| Name |
URL |
| Tehri Hydro Development Corporation |
http://www.thdc.nic.in/ |
| Indian Oil Corporation Limited |
http://www.iocl.com/ |
| National Hydroelectric Power Corporation Ltd |
http://www.nhpcindia.com/ |
| Oil & Natural Gas Corporation Ltd |
http://www.ongcindia.com/ |
| Bharat Heavy Electricals Limited (BHEL) |
http://www.bhel.com/bhel/ |
| Bharat Petroleum Corporation Limited (BPCL) |
http://www.bharatpetroleum.com/ |
| Coal India Limited (CIL) |
http://www.coalindia.nic.in/ |
| Food Corporation of India (FCI) |
http://www.fciweb.nic.in/ |
| Gas Authority of India limited (GAIL) |
http://www.gailonline.com/homepage/homenew.htm |
| Hindustan Copper Limited (HCL) |
http://www.hindustancopper.com/ |
| Hindustan Petroleum Corporation Limited (HPCL) |
http://www.hindustanpetroleum.com/ |
| Indian Airlines Limited (IA) |
http://www.indian-airlines.nic.in/scripts/index.asp |
| Indian Oil Corporation Limited (IOCL) |
http://www.iocl.com/ |
| National Fertilizers Limited (NFL) |
http://www.nationalfertilizers.com/ |
| National Hydroelectric Power Corporation Limited (NHPC) |
http://www.nhpcindia.com/ |
| National Mineral Development Corporation Limited (NMDC) |
http://www.nmdc-india.com/ |
| National Research Development Corporation (NRDC) |
http://www.nrdcindia.com/ |
| National Thermal Power Corporation Limited (NTPC) |
http://www.ntpc.co.in/ |
| Nuclear Power Corporation of India Limited (NPCIL) |
http://www.npcil.org/ |
| Oil and Natural Gas Corporation Limited (ONGC) |
http://www.npcil.org/ |
| Oil India Limited (OIL) |
http://oilindia.nic.in/ |
| Rashtriya Chemicals and Fertilizers Limited (RCF) |
http://www.rcfltd.com/ |
| Steel Authority of India Limited (SAIL) |
http://www.sail.co.in/ |
| Water and Power Consultancy Services (India) Limited (WAPCOS) |
http://www.wapcos.net/ |
| Western Coalfields Limited (WCL) |
http://westerncoal.nic.in/ |
0712-2249885-88 & 2249970-72. 
0712-2249900. 
rb_biniwale[at]neeri[dot]res[dot]in, 