Synopsis Kalatattvakosa series 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. The present volume: Vyapti is the first (revised edition) in the series. It contains the pervasive terms of Indian culture and thought. In spite of their apparent abstractness, these concepts have greatly influenced the theory and practice of the arts. This volume contains eights major articles on the following concepts : Brahman, purusa, atman. sarira, prana, bija, laksana and silpa.