This drain cuts through the edge of the so-called granary. If the entire drain were constructed along with the Great Bath, this feature would indicate that the original "granary" was built before the great bath. >
Granary
Ancient Indus Civilization "granary" excavations and materials. Note that the earlier interpretation of these constructions are Harappa and Mohenjo-daro in particular are not thought of as granaries by modern archaeologists; their purpose remains unclear.