There are several international and national health agencies that work to promote health and reduce disease. International agencies include the WHO, UNICEF, UNDP, World Bank, FAO, and others. They work on issues like child and maternal health, disease prevention and control, nutrition, sanitation, and more. National agencies in India include the Indian Council of Child Welfare, Family Planning Association of India, and others. Together these agencies aim to improve health, reduce mortality and morbidity, and support development efforts.