Recently the terms 'Governance and 'Good Governance' are being increasing used in development literature. Good governance means that process and institutions results that meet the needs of society while making the best use of resources at their disposal. The concept of efficiency in the context of good governance also covers the sustainable used of natural resources and the protection of the environment. There are so many principals of Good Governance which are the primary and best source of human development, such as, participation, representation fair conduct of elections, responsiveness, effectiveness, efficiency, transparency, openness, rule of law, ethical conduct, innovation, capacity etc. This article tries to explain as simply as possible what 'Governance' and 'Good Governance' means for human development.