Correct Answer: Mohenjo-Daro

Solution : The correct answer is Mohenjo-Daro.

Among the ancient Indus Valley Civilisation remains at Mohenjo-Daro in Sindh, Pakistan, the Great Bath is one of the most well-known buildings. The earliest public water tank in the ancient world is a term that has also been used to describe the Great Bath at Mohenjo-Daro. The Great Bath was primarily and exclusively used for religious rituals, though bathing was occasionally permitted.