What are the key characteristics of the indus seals?

. This civilization is extended far beyond the Indus Valley. The main towns of Indus valley civilization were Harappa, Mohenjo-Daro, Kalimantan, Lethal.

. The significant features of Indus Valley civilization are personal cleanliness, town planning, construction of burnt-brick houses, ceramics, casting, forging of metals, manufacturing of cotton and woolen textiles.

. Mohenjo-Daro people had finest bath facilities, drainage system, and knowledge of personal hygiene.

. They were equally conscious of plant medicine since there was occasional warfare.

. The town planning and other characteristics indicate that a homogeneous indigenous culture developed.