With reference to the fire altars discovered at the Indus Valley sites, consider the following statements:\n1. Fire altars discovered at Kalibangan were found in a row of seven rectangular platforms on the citadel.\n2. These altars contained ash, charcoal, and remains of animal bones, suggesting ritualistic offerings or animal sacrifice.\n3. Similar fire altars have been found in large numbers at the lower town of Mohenjo-daro.\nWhich of the statements given above is/are correct?

Options:

• A: 1 and 3 only
• B: 1 and 2 only
• C: 2 and 3 only
• D: 1, 2 and 3

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