kyon chalti hai pawan
because of evoporation
kyon jhoome hai gagan
because of earth's revolution
kyon machalta hai mann
because of eccessive respiration
na tum janno na hum
but i just gave all the answers
kyon aati hai bahar
because of change in season
kyon lutata hai kaarar
becuase of mental tension
kyon hota hai pyaar
because of fatal attraction
na tum janno na hum
like i said these are all science phenomena
kyon gum hai har disha
because u have lost the sense of direction
kyon hota hai nasha
because of drug addiction
kyon aata hai maaza
but science gives all the information
