With reference to India"s culture and tradition, what is "Kalaripayattu"?   (a) It is an ancient Bhakti cult of Shaivism still prevalent in some parts of South India. (b)It is an ancient style bronze and brasswork still found in southern part of Coromandel area. (c) It is an ancient form of dance-drama and a living tradition in the northern part of Malabar. (d) It is an ancient martial art and a living tradition in some parts of South India.