At last my wife received her passport with visa. Couldn't post on the other forum, needs approval from the moderator.
Below is the timeline:
Applicant (Wife) Sent app to CIC-M Dec 3, 2009
CIC approved and forwarded to CHC-I Jan 5, 2010
CHC-I started processing Jan 19, 2010
Voluntarily sent additional docs and PCC June, 2010
Voluntarily sent additional docs August, 2010
Medical Expiring Oct 24, 2010
Re-medical requested Oct 18, 2010
PPR Oct 22,2010
Passport Received Dec 3, 2010
" Took exactly 12 months since the application was sent to CIC-M".