@Rian yes you are right aura is very important for our mental physical and spiritual being. Aura is an electromagnetic field round our physical body there are seven layers of aura you can read in shield of seven rays article. It is scientifically proved that any thing we used or our surrounding all have an aura. Through this aura field we exchanges energies with each other before connecting to any person or any thing our aura get connected.
The more strong and powerful aura is the more powerful protection. Normally a person has 5 to 6 feet of aura the divine beings have aura in kms. VK increase aura to 200 percent by simply wearing it chanting GOLDEN SUNRISE, spiritual practices and meditation also increases aura
Shield of seven rays is the best divine protection and it enhances the aura.
Balance serum is the biggest invention by @"Sharat Sir-VK Inventor" ji , regular intake of balance serum increase strength of aura and also well being.balance serum increase aura and chakra strength and also lot more issues Balance serum is a boon to mankind for it heals major aspects of life.
Please click on hyperlinks to know more about balance serum