This document provides an overview of non-governmental organizations (NGOs). It discusses that NGOs are neither part of a government nor conventional businesses and can be funded through various sources. The term NGO was coined in 1945 when the UN was formed. NGOs work in areas like human rights, the environment, health, and development. They are organized through staffing, funding, overhead costs, and monitoring. NGOs operate at various levels from local to international. The top 10 NGOs in India are also listed.