Which of the following indexes is developed to measure life expectency, level of literacy, education and standard of living in a country??

a) Inflation

b) Sensex

c) Human Development Index

d) SLR

e) None of these

The Human Development Index (HDI) is an index used to rank countries by level of "human development", which usually also implies to determine whether a country is a developed, developing, or underdeveloped country. The HDI combines normalized measures of life expectancy, literacy, educational attainment, and GDP per capita for countries worldwide. It is claimed as a standard means of measuring human development—a concept that, according to the United Nations Development Program (UNDP), refers to the process of widening the options of persons, giving them greater opportunities for education, health care, income, employment, etc.