The following explanation is frm "PREETIV" one of the senior member of this grp....
VO working style (In short):
Eligibility-
Where they check the genuineness of marriage.
Medicals –
(a) physical examination;
(b) mental examination;
(c) review of past medical history;
(d) laboratory test;
(e) diagnostic test; and
(f) medical assessment of records respecting the applicant.
Security and Criminality –
Here is the link for back ground checks (Security and Criminality Check) given by cic
http://fas.org/asmp/campaigns/control/Canadianexemptionsfoia/FOIA_4_22_05/P5HX.pdf
Time duration differs from case to case for eg, no of countries lived in (more than 6 months),any crimes committed etc and these checks are done usually in groups
RFV Checks –
In RFV Check, they mainly look out for
i. Fees Receipt (RPRF)
ii. House Address
So once we pass all these checks our file will be in Final review Queue and we’ll get a status update as decision made.
I hope this helps
Cheers
Nabaaf