Hi,
I am in the same boat, i called the Toll Free Number couple of times and every time they say it is pending for officer review. I got standard letter on September 3, 2021 with the same thing "if you have not submitted form5768". Initially i forwarded them original with the package, but to be on safer side i uploaded again on web portal the same day, but after that nothing.
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It all depends on Visa officer. Those who are getting, their Visa officers are proactive and fast. Good luck to all who got medicals and Biometric.
Our is waiting game.