(r)licensing, controlling or, in order to prevent obstruction, inconvenience, annoyance, risk, danger or damage to the residents or passengers in the vicinity, prohibiting,-(i)the illumination of streets and public places and the exteriors of buildings abutting thereon by persons other than servants of Government or Municipal Officers duly authorised in that behalf;(ii)the blasting of rock or making excavations in or near streets or public places;(iii)the using of a loudspeaker in or near any public place or in any place of public entertainment;