(i) Gross National Happiness: This term was introduced in 1972, by the King of Bhutan Jigme Wang chuck. It is an index which is used to measure the collective happiness and well-being of a population.
(ii) Human Development Index: This term was introduced in 1990 by a Pakistani Economist at the United Nations. It is a composite index of life expectancy at birth, adult literacy rate and standard of living measured in terms of GDP adjusted to purchasing power parity.