Engineering drawing is basically the graphical language of engineers and with this medium; they transmit their conceptual thoughts, constructive designs and thoughts. A drawing of an object, whether prepared to real sizes, provides a clear idea of the object with no leaving anything for the imagination. Such type of a drawing is described full-sized drawing. Occasionally, it becomes inconvenient or quite impracticable to ready full-sized drawing. For instance, whether a drawing of a big building is to be ready, we cannot take drawing-paper like big as the building. Or whether the map of MP is to be drawn, it is beyond our imagination to prepare full-sized drawing. Hence, it becomes significant to select an appropriate scale for appropriate representation.