The document discusses sources of oil and gas and their importance for the power sector. It provides historical data on global and Indian energy consumption trends over time. Key points include natural gas emerging as a competing fuel for power generation due to new indigenous gas finds and growing LNG infrastructure in India. Natural gas is expected to be the fastest growing component of the global energy mix in the future. The document also outlines India's hydrocarbon vision for 2025 which aims to increase domestic oil and gas production and supply to improve energy security.