Most of those who build a house will do so only once in their lifetime. For this reason, it needs to be done right the first time. Even if you do not believe in traditional sciences like Vastu, you might still want to follow its recommendations just for the peace of mind. For the author, Vastu seems to be a collection of time-tested architectural best practices that would be too good to ignore. This book

After you draw your own house plan, based on Vastu principles described in the book, you can take it to a Vastu expert and a civil engineer for their revisions.