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.