A little over three years ago, researchers reported a sensational fossil find in Madhya Pradesh that, it was said, would confirm the formation of the supercontinent Gondwanaland about 550 million years ago. Modern-day South America, Africa, Asia, Australia and Antarctica are said to have been created by the break-up of this supercontinent. However, the reported fossil from the Bhimbetka rock shelters, a UNESCO World Heritage Site for Palaeolithic and Mesolithic cave art, about 40km from...