Human capital is extremely important for the development of the society, economy and the nation. Human capital is needed to produce more human capital out of human resources. For example, a nation needs good human capital like professors and teachers to convert human resources like students into doctors and engineers which are human capital of a nation. You can read about the Human Capital Index – Key Areas of Measurement, Objectives and Significance in the given link.

Further readings:

1. Topic-Wise GS 3 Questions for UPSC Mains
2. Human Development Report – HDR 2020, 5 Indices, Gender Development Index