ॐ चामुण्डे जय जय स्तम्भया स्तम्भय भंजया भंजया मोहय मोहय Past existence is usually a topic, which evokes wonderful desire in almost Absolutely everyone. The doctrine of Earlier life Reincarnation is found in most religions and ancient civilizations. You can find various Philosophies and traditions historic as well as new https://www.youtube.com/watch?v=qnEcMQtKTvg