Some useful according to the principles of Vaastu Shastra are given below. These will add to your health & happiness and help you to live a prosperous and harmonious life.
Do not block the North-East (Ishan) portion of the house/industry as it restricts the inflow of the blessings of God. It leads to tension and misunderstanding among the inhabitants.
Do not place the toilet/fireplace in the northeast corner of the house or industry as it may result in financial loss as well as mental tension and quarrel amongst people. - By Sajan Agarwal
Never make three or more doorways in a straight line.
A properly placed round mirror and cordial paintings etc. in the bedroom can enhance your relationship. A wall poster having mountains/ snow-clad peaks of the Himalayas/Alps etc. on South- West wall can increase your strength and stability in life.
Well, a Boring, Underground water body or source should be in the north, east, or north-east of the plot.
More open space in the north, NE, or east gives name, fame, and prosperity. Leaving more space on the southwest side of the house can adversely affect the male members. In the industry, it leads to financial loss and quarrels amongst partners/ executives.