Find out the present source of energy that is used by the people of India. What could be the other possibilities fifty years from now?

The present source of energy that is used by the people of India is of various types like electricity, coal crude oil, cow dung and solar energy. If we look the possibilities of next 50 years then we can include ethanol, bio-diesel, nuclear energy etc. wind energy can be used in far more good way. All these things can be used in better way to find out the present source of energy.