Caspian Sea: once I sent documents - I received a generic email “ we received your documents..”, then the next day o received an email “Further documents required and the enumeration of general set of documents - Passport, BC, Police certificate. I was confused because I sent them everything, I am single so there was not much to send. So after reading some other forums I realized there can a glitch, since I was not the only one who received Further documents required. Try to add Applicant name, DoB, case number in the body of the email. I received an email - Congratulations we checked your documents and soon you will be scheduled for an interview probably after 4-5 days since I last sent documents. Good luck