Matsya Yantra should be installed and worshipped to remove the Vastu fault of any dwelling like any house, office, factory, showroom, godown, etc. A vastu fault occurs whenever there is a imbalance between the 5 basic elements which are Earth, Fire, Water, Air & Space. This is a serious issue which can lead to a large number of problems adversely affecting the Health, Wealth & Happiness of people residing or working at such a place. A Matsya Yantra represents Lord Vishnu who took the "Matsya Avatar" in which he established the balance and harmony of the cosmos itself. This Yantra is very effective in removing the Vastu faults of a place and bringing back a balance between all the 5 basic elements so that the building and the people residing / working there are protected from evil effects of Vastu. This Yantra can also protects the worshipper from all kinds of Black Magic and Negative influences of the surroundings.