The Tantra literature of India, though in most cases almost lost, is still the only source whence a knowledge of Sadhana in all its aspects-theoretical, practical and ritualistic-may be derived and understood, because it is a Practical (Pratysa) Science. However, the Sastra in its literature is not a plain exposition, which would reveal its intricacies to anyone who lays a hand on it. The Initiation from the Guru is therefore essential. In fact it has been ...
