I came into US 2009 with f1 visa. I met my wife who's Citizen in 2011, we got married Jan., 2012. She filed for me. we were invited for interview by Oct 10, 2013.After the interview we were told to be expecting their response 30 days after.We got their message as promised, they requested for my previous marriage evidence before taking decision which i provided 45days after, since then we have been waiting