Srividya is discipline where abounds considerable mystery esotericism and occultism. There is among common people quite some ignorance concerning its philosophy and practice. There is also a host of doubts and uncertainties among practitioners themselves. The presence of different tradition in Srividya is a further source of confusion. The textual background to Srividya has almost become obscure and obsolete it has become more a matter of individual lineages of practices. In the circumstances there is a need for an authentic and comprehensive account of all three aspects of Srividya viz. the Yantra the mantra and the Tantra. This book is an attempt to provide one.Along with all textual details concerning the philosophy and practice the philosophy and practice of Srividya relevant iconographic details with illustrations have also been given.