The document discusses the Human Development Index (HDI), which measures a country's development according to metrics like life expectancy, education, and income. It notes that India's 2020 HDI rank was 130 with an HDI of 0.646, indicating a medium level of development. Specifically, India's life expectancy at birth was 64.19 years, mean years of schooling was 5.1, and GNI per capita was $1900. The document explores how factors like COVID-19, spending on education, and sanitation access have impacted India's HDI. It also mentions that Bhutan is the only country to officially measure Gross National Happiness.