Rudra Granthi Yantra - High Quality Print of Artwork by Pieter Weltevrede - Home DecorGranthi refers to the knotted areas in the subtle body that block the flow of prana (life energy) through the Sushumna nadi, the central psychic channel. These knots prevent the energy from rising, hindering a Yogi's progress toward spiritual enlightenment and liberation. There are three main Granthis: Brahma Granthi, Vishnu Granthi, and Rudra Granthi. Each knot is located at a specific point in the subtle body, obstructing the rise of prana and