In many countries of Asia biomass contributes l argely as a source of primary energy. People in rural areas at the peripheries of forests, continue to collect fuel wood from adjacent forests. India consumes 15% of the world energy. The source of energy are renewable and non-renewable (commercial energy). Energy is being used for domestic and industrial purposes. Non-renewable energy sources include coal, petrol, diesel, kerosene etc. The intensity of energy extraction, production and use of these resources have resulted in the destruction of environment through pollution - The consumption rate of these resources is twice than production.