Whatever is in the universe i.e. sky, earth, water, fire and air is present in our body. Therefore, by establishing harmony with every element, substance and forces of nature like gravity, electromagnetic energy, laws of light, body clock etc. and following the laws of nature, how can life be made healthy, energetic and pleasant in a simple way through ancient methods. This thing has been explained in simple language in this book. So follow these things and stay healthy and energetic.