Option b is the correct answer. Mahabalipuram, also known as Mamallapuram, is a town in Tamil Nadu that is famous for its rock-cut monuments and sculptures. Most impressive part is the depiction of Descent of the Ganga and Arjuna's Penance, carved on two monolithic rock boulders. The relief depicts the story of the descent of the sacred river Ganges from heaven to earth, led by the sage Bhagiratha. The relief also shows various scenes from Hindu mythology, legends and everyday life, involving humans, animals, gods and spirits.