(2)[ The work shall be plotted in scale and the scale to be used shall be 5000 : 1, 2000 : 1, 1000 : 1, 500 : 1, 200 : 1, 100 ; 1 or 50 : 1 according as the area to be measured is large or small, the largest convenient scale being used.] [Added by Notification No. 99/VIII-b-135, dated 23-3-1959, published in U. P. Gazette, Part II, dated 29-8-1959.]