 Presence of the baked bricks is seen used in the main drain provided on the width of the northern arm of the fortification wall to flush out the waste water from the houses.Pottery graffiti at Bhirrana show "mermaid" type deities and dancing girls; the latter have a posture so similar to Mohenjo-daro's bronze "dancing girls" that the archaeologist L.S.Rao stated that "it appears that the craftsman of Bhirrana had first-hand knowledge of the former."