There is hardly a Hindu devotee who has not heard of Sri-chakra, seen one or held it in reverence. Despite this popularity, however, few are acquainted with details of this diagram or its symbolism, and fewer still with the philosophical foundations of its worship. There is a wide-spread interest in the subject, but no book had appeared till now to deal with it comprehensively.Here is a book of this description, written by a well-known scholar and author, drawing the material from original and mostly unpublished sources. The cult of Sri chakra has been explained here in a lucid manner, dealing with the diagrammatic symbolism, methods of preparation and varieties of the yantra, the details of the panchadasi and shodashi mantras and their philosophical import, and the cultic ideology (tantra).The book is profusely illustrated by line- drawings from the author’s pen, taken from manuscript material that is in his possession. Original sources have been reproduced wherever they are indicated.This is the first book of its kind in the field of Tantra. It is at once philosophical, psychological and esoteric in approach. It is meant for the layman and the scholar alike.