Synopsis The present book is a complete and analytical exposition of the fourteen Saiva upanisads, bringing out the religious and metaphysical consistency in Saiva concepts. Various aspects of Saivism within the frame work of upanisadic mantras, have been arranged and explicated with systematic coherence. It runs into six chapter. The opening introductory chapter provides the information regarding the history of Saiva philosophy from the Vedic period. The second chapter elucidates the contents of the fourteen Saiva upanisads. The third chapter entitled as Doctrine of Siva: Brahman, explains the nature of Siva, His attributes and His cosmic activities. The fourth chapter i.e. means of liberation, deals with the origination of Bhasma, method of its application, its efficiacy origin and nature of Rudraksa, method of preparing its garland, worship of Siva, method of meditating on Him, The fifth chapter unfolds the doctrine of liberation. The sixth being the last chapter offers the concluding remarks. In a nutshell, this work brings out special significance of architectonic unity of Saiva doctrines. It makes reader mark the precise value and comprehensiveness of the upanisadic doctrines of Saivism. The present book therefore claims a fresh exposition of the upanisads in defence of Saivism.