The correct option is 3: While the primary and most abundant material used for the intricate stamp seals of the Indus Valley Civilization was steatite (soapstone), archaeological findings confirm that seals were also fabricated from other materials, including terracotta, which is fired clay. Terracotta seals and sealings have been recovered from various Indus sites, signifying that this material was utilized for this artifact type, though less frequently than steatite. The…Read More