Vastu Kala is a science based on nature's basic principles. It lays emphasis on proper ventilation, light and direction entrance being the most important part of a house or building. This book also suggests 150 ways to reduce the construction cost and lead a happy life where one dwells. The book also lists 70 tips for rectification of construction defects to lead a happy marital and domestic life. It will help you make proper planning before you construct your house, or to rectify the defects of already constructed house by small alterations and small changes in the design.