(a) Industry and Crafts: The Indus-Saraswati Civilization is a bronze-age civilization. Bronze was made by mixing tin with copper. Beautiful pots of copper and bronze are the best examples of Harappan metal art.
The tools made from copper are found in saws, chisels, hammers, axes, knives and swords. The statue of the dancer is a fine example of bronze sculpting. Gold and silver were also used in the Indus Civilization, and the people were also proficient in the art of making metal utensils. Making beads was a developed industry. There is complete workshop for making beads in Chunnarh and Lothal. Beaded gold and silver were made from shell oyster and metal.
Evidence of oyster industry has been found from Lothal and Balakot have been found. The spinning of cotton yarn and weaving of cotton textiles would also be highly developed.
(b) Trade and Commerce: Internal and foreign trade in the Indus-Sarawati civilization were in a very developed state. Raw materials for industries were sources from Rajasthan, Gujarat, Sindh, South India, Afghanistan, Iran and Mesopotamia. The copper and gold came from Mysore.
There is clear evidence of the business relationship with the people of Mesopotamia. Several dozen seals of the Indus-Saraswati civilization have been found from Mesopotamia.
