In order to report an incident of false or deceptive advertisement, one should follow the following steps:

i) Identify the false advertising such as misleading photographs, illustrations or Ads.
ii) Gather any form of evidence as a prove of the false advertisement such as screenshots.
iii) You can contact the company or the individuals directly for a resolution or refund.
iv) If the company does not settle for resolution, you can report the matter to the relevant consumer protection authorities.
v) The last step is to go the legal way by filing a case at the relevant tribunal.