The advisory issued on Tuesday said: "States/Union Territories are advised in larger public health interest, and in order to prevent the initiation of ENDS by non-smokers and youth, with special attention to vulnerable groups, to ensure that any Electronic Nicotine Delivery Systems (ENDS) including e-Cigarettes, Heat Not-Burn devices, Vape, e-Sheesha, e-Nicotine Flavoured Hookah... are not sold (including online sale)."