Question

1. A lot of Harappan sites have revealed shell objects
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Answer 1

Answer:

Among the three major source regions of marine gastropods exploited by the Harappans, the Gulf of Kachchh and Gulf of Khambhat form most important and distinct area besides that of Somani Bay and the Oman coast.

Answer 2

Shell-working first developed in the Indus region as early as the 7th millennium BC, in the neolithic period. During the neolithic and early chalcolithic periods, shell-working became more specialized both in terms of manufacturing techniques and in the use of specific shell species as raw materials.