Which of the following is not an indication that the settlement in Mohenjodaro was based on proper planning?

None of the above

Once the platforms were in place, all building activity within the city was restricted to a fixed area on the platforms. So it seems that the settlement was first planned and then implemented accordingly. Other signs of planning include bricks, which, whether sun-dried or baked, were of a standardized ratio, where the length and breadth were four times and twice the height respectively. Such bricks were used at all Harappan settlements. The drainage system was also highly developed.