Natural resources are naturally occurring substances that are considered valuable in their relatively unmodified natural form. A natural resources value rests in the amount of the material available and the demand for it. India's major mineral resources include coal third largest reserves in the world, iron ore, Manganese, Mica, Bauxite, Titanium Ore, Chromite, Natural gas, Diamonds, Petroleum, Limestone and Thorium worlds largest along Kerala's shores. ...