1. http://business.mapsofindia.com/national-fertilizers/
2. http://petroleum.nic.in/refi.html
3. http://www.energymanagertraining.com/Plot/Fertilizer.html
4. http://www.energymanagertraining.com/Plot/Iron_Steel.html
5. http://www.energy.sourceguides.com/businesses/byGeo/byC/India/byP/cathodic/cathodic.shtml