Which Harappan sites have provided evidence of fire worship? The sites of Kalibangan in Rajasthan and Lothal in Gujarat have shed light on the practice of fire worship by the Harappan people. At Kalibangan, fire altars have been discovered. Related posts: Why is the word ‘culture’ used for the Harappan civilisation? What were the most distinctive features of the cultures which existed prior to the Mature Harappan period? Did the Harappan people domesticate animals? Explain. Which two Harappan settlements were entirely fortified?