The correct answer is: United Nations Development Programme (UNDP).
The Human Development Index (HDI) is a composite statistic of life expectancy, education, and per capita income indicators, which are used to rank countries into four tiers of human development. It is used to measure a country’s achievements in terms of longevity, education, and standard of living. The HDI is calculated by the United Nations Development Programme (UNDP).
The World Bank is an international financial institution that provides loans to developing countries for capital programs. It is not responsible for calculating the HDI.
NITI Aayog is a government think tank in India. It is not responsible for calculating the HDI.
The Ministry of Statistics and Programme Implementation (MoSPI) is a government ministry in India that is responsible for collecting and publishing statistics. It is not responsible for calculating the HDI.