Final answer:
The sculpture is an example of ancient Indian art due to the detailed craftsmanship of Indus Valley artisans, known for creating figures with expressive facial features and embodying cultural significance.
Step-by-step explanation:
The sculpture is an example of ancient Indian art because the artisans of the Indus Valley were known to create detailed sculptures with facial expressions. Works such as those from Mohenjo-Daro depict serene human figures, with considerable attention to detail, like facial features that may represent priests or leaders. Moreover, ancient Indian sculptures often had religious or cultural significance, with many artifacts, including the famous bronze sculpture known as the 'Dancing Girl', demonstrating intricate craftsmanship and reflecting the social and religious practices of their culture.