Iron Smelting Technology in India

Timeline

1. c. -1000–-800Malwa Plateau · Madhya PradeshExcavated iron slag, furnace hearths, and iron artifact fragments show that the basic process of reducing iron ore with charcoal had been mastered, and farm tools such as iron axes and hoes began to spread.
2. c. -700–-500Ganges plain and northern Deccan · IndiaIron arrowheads, spearheads, and plowshares appeared in large numbers in the northern plains and eastern settlements; iron-smelting technology spread with agricultural expansion and the demands of interstate rivalry, pushing the Indian subcontinent into the mature phase of the Iron Age.