A detailed description of the location of kundalini in the human body is found in Sat Cakra Nirupana (1-3, 8-10). It is said that outside the meru, i.e. the vertebral column or backbone, there are two siras, the sasisira on the left and mihira sira on the right. Between them, inside, the spine, is the sushumna, appearing like blooming datura (thorn apple) flowers, extending from the middle of the kanda up to the head. Inside the sushumna there shines the vajra nadi, starting from the genitals and going up to the head. Citrini, which is fine like spider’s thread lies inside the vajra. It pierces through the lotuses situated inside the meru as it passes up. Inside the citrine is the Brahmanadi extending from the mouth of Shiva in the kanda up to the place of Adi-deva inside the head. The mouth of the sushumna which is its starting point in the kanda, is spoken of as the brahma dwara, the door to Brahman, which leads up to the place of Parama Shiva, the Supreme God inside the brain from w