Dear Eralaran, I am also in a similar situation, not exactly the same. My online status changed yesterday to "interview scheduled" for June 16th and no instructions were sent. I was also panicking just like you, because I had no idea what to expect, but when I came across your post, it did comfort me a little bit, right after reading your post, I got an email and all they are asking is the scanned copies of my passport. I also called the call centre just to confirm, the agent told me nothing to worry about and it's not an interview, online it says because that's the protocol but it's more like document verification, regular stamps, Visa's, travel history etc. It also says, that if required they might call for an interview. So, seems pretty straight forward. But, yours seem strange, I mean they literally scheduled you for interview and after receiving the docs they said, procedure changed, I have not heard or seen in this forum ever before. Hopefully nothing to worry about, keep praying, we all are in this together, it's been a long wait, it will be over soon. Sending you hugs.