I have attended interview on 13th Nov 2017 and issued a white colored 221g stating that case is under administrative processing . They have asked to submit client letter, a letter to uscis , I129 and LCA on 9th Dec 2017. I have submitted all the documents of 9th Dec 2017 but the case status is not changed and also my petition is expired on 14th April 2018 so what I have to do now. can one help me out on this. Interview held at Hyderabad.