Question

highlight the feature of highly efficient drainage system pf indus valley civillization​

Answer 1

Answer:

The Indus civilization had an elaborate sanitary and drainage system, the hallmark of ancient Indus cities., The Authorities maintained a highly efficient drainage system. Each house had horizontal and vertical drains. There were underground drains for the streets. These drains were covered by stone slabs

Explanation:

MARK ME AS A BRAINLIST