The document summarizes a spiritual retreat attended by the author based on the Isha Upanishad verse "Purnamadah Purnamidam". The author experienced peace and happiness learning from Poojya Swamiji Dayananda Saraswathi's explanation of "PURNA", though it is difficult to fully explain. The author is grateful to have spent time in the land of sadhus in Rishikesh and learned there is much more to learn. The document also discusses electrolytes, crystal therapy salt caves that help restore electrolyte balance, and the benefits of PEMF therapy such as reducing pain and inflammation.