Option a is the correct answer. Bhimbetka is famous for its rock shelters that display paintings that date from the Paleolithic to the historic period. The rock shelters are located in the foothills of the Vindhya Range, about 45 km south of Bhopal, in Madhya Pradesh. They are a UNESCO World Heritage Site that consists of over 750 rock shelters distributed over 10 km . The paintings show themes such as animals, hunting, dancing, and warfare, and reflect the cultural evolution of human society in India. Bhimbetka is one of the largest and oldest repositories of prehistoric art in India.