This document provides an overview of principles of architecture presented by Ar. Geeva Chandana. It discusses key principles such as proportion, scale, balance, symmetry/asymmetry, rhythm, axis, hierarchy, and movement. Proportion is examined through various theories including the golden section, classical orders, Renaissance theories, and anthropometry. Scale and its relationship to proportion is also explored. Examples are given to illustrate concepts of balance, axis, symmetry, hierarchy, and rhythm. The document aims to help understand fundamental architectural principles and their application in form, space, and structure.