This section provides in-depth information about resources and status of sectors like petroleum, natural gas, coal, and power (including thermal, hydro, nuclear, as well as transmission and distribution). Besides, trends in research, development, and deployment; and applications of renewable energy resources like solar, wind, small hydro, biomass/ bio-fuels, waste to energy, and hydrogen etc - including those for distributed generation/rural electrification - are covered in detail. The fine points of application of solar energy in the building sector, through solar passive architecture are also dealt with in this section. Besides, it covers applications of energy conservation measures in buildings, industrial, agricultural, rural/community and transportation sectors.