(chandni raat … hatho me haath, and the girl starts singing )
Girl: Kyon chalti hai pawan,
scientist: Due to Varying pressure zone formation.
Girl: Kyon jhoome hai gagan,
scientist: Because of earth’s revolution.
Girl: Kyon machalta hai mann,
scientist: Problems with respiration.
Girl: Na tum jaano na hum.
scientist: But I just gave all the reasons!
Girl: Kyon aati hai bahaar,
scientist: Because of a change in season,
Girl: Kyon lutata hai karaar,
scientist: Suffering from mental tension.
Girl: Kyon hota hai pyaar,
scientist: Because of opposites’ attraction.
Girl: Na tum jaano na hum.
scientist: Seems you didn’t pay enough attention.
Girl: Kyon gum hai har disha,
scientist: Because you have a poor sense of direction.
Girl: Kyon hota hai nasha,
scientist: Because of drug addiction.
Girl: Kyon aata hai mazaa,
scientist: Brains response to physical sensation.
Girl: Na tum jaano na hum.
scientist: Even after all the explanations ???