Madam Ramsha the same situation with me but, PPSC Lahore was very cooperative I also deposited my original fee deposit slip at the time of written test so i obtained a certificate from Nbp to avoid any problem. At the time of document submission i was surprized to saw my original fee slip in My interview file on same day 5 candidate faced the problems like missing document origina fee slip but ppsc staff allowed only one candidate to appear in interview rest of 4 allowed to deposite their missing document and fee slip or certificate from Nbp respective branch. And they will be interviewed after one week