AP lost..urget help

I needed ur advice...my AP got approved in Feb and got lost in mail..i never received it...so they asked me to apply again which I did on march 24th...still in process...I came back from usa on 25th march taking emergency AP from Chicago office which expires in may 8th...will I need to go back before 8th may?or I can go using AP which is still in process..please advice whatever u know...