The correct option is C Social overheads capital
They concern with the supply of such services as to meet the basic needs of a society. In simple words, social infrastructures refer those basic services such as education and training. It also includes health and sanitation, drinking water, housing, sewerage, etc. Social infrastructures are also termed as ‘social overheads’.
These social overheads indirectly support the economic systems. They indirectly increase the productivity and the economy sees the impact after some time. Social infrastructures lead to growth in the long run.