28. The Police Commissioner, or any police-officer authorised by him in this behalf, may, from time to time as occasion may arise, give all such directions, not inconsistent with any regulation made under section 26, either orally or in writing, as may be necessary to-(a) secure the orderly conduct of persons constituting processions or assemblies in streets;(b) prescribe the routes by which and the times at which any such procession may or may not pass;(c) prevent constructions on the occasion of all processions and assemblies and in the neighbourhood of all places of worship during the time of worship, and in all cases when any street or public place or place of public resort may be thronged or liable to be obstructed;(d) keep order in all streets, public bathing, washing and landing places and all other public places or places of public resort;(e) regulate and control the playing of music or singing, the beating of drums and other instruments, and the blowing or sounding of horns or other noisy instruments, in or near any street of public place;(f) regulate and control the use of loudspeakers in any street or in or near any public place or in any place of public entertainment.