Kerala, with lower per capita income, has a better human development ranking than Punjab. However, it would be wrong to say that per capita income is not a useful criterion at all. It has some limitations. But this does not imply that it is not useful at all. To counter the inadequacy of this average, the Human Development Index (HDI) is used. The HD uses a combination of development factors such as health, education, income for comparison. Analyse the Human Development Comparison given above, considering one of the following correct options:
(a) They hide disparities. Although averages are useful for comparison.
(b) Per capita income is one of the development factors and cannot be done away with.
(c) Per capita income is useful for comparing the money index of states.
(d) Both B and C