Hey,
I have a similar case.
Timelines:
Received CoPR in June 2018. PR visa expiry on 23rd March,2019.
Got married on: 2nd December 2018
Informed Delhi-immigration@international.gc.ca: 27th January, 2019
Got reply on: Jan 31, 2019 and they asked for us to submit following:
ASAP assport and CoPR for cancellation:
Withing 30 days: PCC for both of us, RPRF fee, Application fee, document change fee, IMM8 form , Schedule A form, Additional family information form for both of us, Notarized birth certificate of my spouse, Copy of spouse's valid passport, marriage certificate, few photos of wedding.
Passport and CoPR letter submitted on: 19 Feb, 2019 and collected back on 12 March with cancelled Visa stamp.
Documents submitted: March 1, 2019
Medical request for both of us: 7th March, 2019
Medicals done: 26th March, 2019
Current status: Medicals cleared sometime in first week of April, 2019. EE portal says they are doing background check right now.