Correct Answer: Hospitals and schools

Solution : The correct answer is (c) Hospitals and schools. Social infrastructure refers to the facilities, institutions, and services that are essential for the well-being, development, and functioning of society. These infrastructures typically focus on meeting the social needs of the population and improving the quality of life.

 Hospitals and schools directly serve the social needs of the population by providing healthcare and education services, respectively. They are key examples of social infrastructure as they contribute to the well-being, development, and human capital formation of individuals and communities.

In summary, social infrastructure encompasses facilities and services that directly address social needs and enhance the quality of life. Examples include hospitals, schools, community centers, libraries, parks, and other institutions that support social development and well-being.