law: The Delhi Municipal Corporation Act, 1957
  409. Prohibition of keeping market open without licence, etc.-
  (1) No person shall keep open for public use any market in respect of which a licence is required by or under this Act without obtaining a licence therefor, or while the licence therefor is suspended or after the same has been cancelled.
  (2) When a licence to open a private market is granted or refused or is suspended or cancelled the Commissioner shall cause a notice of the grant, refusal, suspension or cancellation to be posted in such language or languages as he thinks necessary in some conspicuous place by or near the entrance to the place to which the notice relates.