Regrading document verification of result awaited candidate

Sir I am result awaited candidates in  teachnical helper requriment 2018 .department allow me to take participate in requriment process but due to their hurry in document verification. I am not able to produced my document. My final result not come yet. They didn't clarify the document verification date but now they are telling that document verification will be done on 20 September 2018 and my result will come in between 15 October to 31 October. They mention only in advertisement that candidates need to produced their qualifications on the date fixed for document verification but not mentioned date of document verification in the advertisement. What I should do ?? Pls give me legal advice on this matter