hope you are not sending original passport to CIO with initial application. Only the photocopy needs to be send
no i will send only the photocopy but coz i have old expired passport and new one and due to i work in saudi arabia for 10 years so i make photopy for pages of passport to show the stamp of exit and entry and also the number of old passport different than the new one and one old experience certificate carry the number of old passport so i make photocopy for it now i present in my homeland and i left for saudi what i do is correct