PROCESSING STARTED ON MY WIFE APPLICATION ON JULY 21 2014. AND IN NOVENMBER 2015 SHE HAD AN SUCCESSFUL INTERVIEW.. THEN NOTHING HAPPEND TILL MARCH. ON MARCH 8 THEY ASKED US TO SUBMITE RIGHT OF PERMANENT RESIDENT FEES. WE ARE STILL WAITING NOTHING HAPPEND AFTER THAT DO YOU HAVE ANY IDEA HOW LONG...