Tantra meaning knowledge that is spread to save, is derived from the root tan, "to spread" and the suffix tra, "to save". In a broad sense Tantra refers to a wide class of medieval religious practices and ideas and has eventually become an integral part of modern Hinduism. They contain both philosophy and practical applications of the philosophy. These practices can be divided into three main categories based on : a. the Agamas which are mostly shaivite b. the tantras which are mostly shAkta c. the saMhitas which are mostly viShNuite In a narrower sense, tantra has come to refer to those practices as applicable to worship of Female Goddess or shAkti, and in a still more narrower sense refers to some of the "obscene" practices of the vIras, who are a special category of adherents subscribing to a small sect of the entire tantra way of life. However, tantra is widely misunderstood and the 200 year British rule of India is to blame for this misconcept...