The correct answer is 9th century AD. The Chola Empire of the South emerged in the 9th century AD (850-1279 AD). Vijayalaya captured Tanjore in 850 AD. The greatest Chola ruler was Rajaraja (985-1014 AD) and Rajendra I (1014-1044 AD).

camel bones have been found at the Harappan site of Kalibangan. Kalibangan is one of the archaeological sites of the ancient Indus Valley Civilization, located in present-day Rajasthan, India. The discovery of camel bones at Kalibangan suggests that camels were present in the region during the Harappan period, and they might have been used for various purposes by the ancient inhabitants, such as transportation or trade.