About the Book : In quest of identity and destiny man discovered philosophy and religion. In search of realization of philosophical truth and religious summum bunum of life Lord Siva expounded scientific and mystic tradition known as Tantra. Tantra forms the esoteric basis of all religion and provides sound philosophical foundation of spirituality. This book presents an indepth analysis and reflection of the root concepts of Tantra such as Kundalini, Mantra and Yantra. Tantra provides an esoteric and physiological significance of Pancamakara Sadhana. Tantra believes that poison that kills a man when scientifically cultured by physician it becomes the elixir of life. Sex when sublimated, it opens the door for salvation. Tantra is a happy and harmonious blending of enjoyment (Bhoga) and salvation (Yoga). It is neither a dogma nor lifeless rituals. It is an intuitional science. The Canonical literature of Tantra is written in Twilight language (Sandhya Bhasa). Its apparent meaning is quite different from the real meaning. Only those who get initiated by a proper Guru in Tantra Sadhana understand the mystic significance of different symbols and esoteric practices. This book provides a deeper insight into the scientific and mystic significance of Kundalini, Mantra and Yantra which are the main constituents of Tantra. This book presents a scholarly analysis and evaluation of Tantra and explains both its mystic and scientific basis. About Author : Professor L.P. Singh is a distinguished scholar of philosophy, a prolific writer and much sought-after participant at reputed national and international conferences and seminars on various facets of Indian philosophy. After superannuating as professor of philosophy from Magadh University, Bodh Gaya, he became a Senior Fellow of the Indian Council of Philosophical Research, Govt of India, a Fellow of Indian Institute of Advanced Studies, Shimla, a visiting Research professor at the Catholic University of America, Washington DC and General President of Indian Philosophical Congress. His speaking engagements took him to Soubourn University, Paris, Nihon and Toyo University, Tokyo and Khon Kaen University Thailand. Known for his seminal work, he was invited to present papers at World Philosophical Congress, International Congress of Orientalists, Mexico City, World Sanskrit Congress, Lieden Holland, Doha (Qatar) and universities in Shanghai, Xi'an and Beijing in China. Prof Singh has written several books and guided many research scholars in obtaining Ph.D. degrees. Apart from being a formidable academic, he is also a social activist and a mendicant in pursuit of truth and salvation.