Union Public Service Commission (UPSC) has fixed a seven-day time frame for candidates to report mistakes or discrepancies in questions asked in its various examinations.<br/><br/>In a note, the UPSC said, for each examination, a time frame of 7 days from the next day of the examination date is fixed for the candidates to make representations to the Commission on the questions asked in<br/>the papers of that examination. <br/><br/>It said the representation must only be submitted online by email at upsc@gov.in. No representation by post and by hand will be entertained. <br/><br/>Thousands of students appear in various recruitment examinations conducted by the Commission. <br/><br/>These include the civil services examination to select IAS and IPS officers among others.