i filled NTS form but mistakenly i wrote wrong DOB and i cant find any way to correct that should i correct that with pen on the form? or is there any other way ...

the documents required to send along with NTS form do not include domicile and also educational certificates but i heard that NTS k leay yeh b send krny hoty hain.. please guide me for correction and Domicle issue should i send domicile or not???