Introduction:Passive smoking is the inhalation of smoke, called secondhand smoke (SHS), or environmental tobacco smoke(ETS), by persons other than the intended "active" smoker. It occurs when tobacco smoke enters an environment, causing its inhalation by people within that environment, this study is conducted to identify knowledge and awareness of the passive among the selected population.

Carcinogens, Green synthesis, Eco friendly, Environmental tobacco smoke, Innovative technology, Nicotine, Passive smoking, Second hand smoke.