Well, if they told you the visa will expire within a year, that means they have already made decision to give you the Permanent Residence and therefore, you will not go through an interview. It is hard to tell how long it will take to get your PP back. No, rejection at this stage is highly unlikely. Updates on E-Cas is known to be LATE, especially at the last stage "Decision Made. Some peopl have received their passport back with the COPR before their E-Cas changed to decision made.
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