Arts of Indus Valley Civilization The arts of Indus Valley civilisation, one of the earliest civilisations of the world, emerged during the second half of the third millennium (Bronze Age). The forms of art found from various sites of civilisation include sculptures, seals, pottery, gold ornaments, terracotta figures, etc. Brisingr Pdf File. Decline of Indus Valley Civilization: The decline and the fall of the Indus Civilization was progressive and the city of Mohenjo-Daro was already slowly dying before its ultimate end. Houses mounted on artificial platforms or upon the ruins in their endeavor to check the floods were shoddy in construction, older buildings were subdivided even domestic courtyards were partitioned. Evolution of the Harappan Civilisation. Study of growth of the Indus Civilisation. •These civilizations are sensitive to the environmental parameters.