It Spreads Positivity, this works as an Anteena rest depends on Faith or Belief. But we can say that if you are buying it from "Make IN India/Pick Use-SoilMade" you should not concern about Quality, we are providing you a good Quality of Product.The Kanya Rashi Yantra is for a person born in the Kanya Rasi (Virgo Zodiac Sign) u2013 as per the Lunar Zodiac (Moon Sign) of the Vedic Astrology (Ancient Indian Jyotish) for bringing about General Health, Wealth, Harmony & Happiness in his/her life. Until now, as there was no exclusive Yantra for the 12 Rasis, only the Yantra of the Planetary Ruler was used. For example, Mercury Yantra (Budha Yantra) was used for Kanya Rasi, as there was no better option. However now there is a far better alternative : an Exclusive Yantra for all the 12 Lunar Zodiac Signs. This Special Rasi Yantra is also unique in another way : it not only boosts the positive points of the Rasi and minimises the negative points of the Rashi (in general), but also interacts with the Native and custom-corrects the Rasi Mandala of the Horoscope (Rashi Chakra of the Birth Chart) to bestow good results to the Native.