law: The Delhi Municipal Corporation Act, 1957
  146. Power of Commissioner in case of contravention.-
  If any advertisement is erected, exhibited, fixed or retained in contravention of the provisions of section 143, the Commissioner may require the owner or occupier of the land, building, wall, hoarding, frame, post or structure or vehicle upon, or over or in which the same is erected, exhibited, fixed or retained, to take down or remove such advertisement or may enter any land, building, property or vehicle and have the advertisement dismantled taken down or removed or spoiled, defaced or screened.