Kalatattvakosa series of the IGNCA has endeavoured to evolve an important modern device to grasp the essential thought and knowledge system of the Indian tradition. Through an indepth investigation into the primary sources of various disciplines the series aims at facilitating the reader to comprehend the interlocking of different disciplines. Dr. Kapila Vatsyayan former Academic Director of IGNCA Has provided the conceptual framwork to the whole project. Prof. Ramesh Chandra Sharma a renowned art historian and archaeologist is the editor of this volume. Desides the editor other contributors are: Bettina Baumer, R.N. Mishra, V.N. Misra, P.K. Agrawala.