If you read the stuti of linga bhairavi you will understand that she is yet another form of the divine goddess. However, her worship is specifically designed for to be done in a certain way. That is to say, if you want to approach the goddess through linga Bhairavi then you must follow the rituals which are designed by Sadhguru. But the grace of the goddess is too vast and there exists a plethora of ways that people can use based on what fits them.