I was stuck in a similar situation and lost almost 3 months. I received RCMP request from CIC in Mid Feb. We did RCMP Test on around 19 feb and requested for results to be directly sent to CIC, biggest mistake of life.
We got a confirmation mail from RCMP that the results have been sent to CIC. We send out multiple confirmation request to CIC for RCMP results, they just replied on first mail with NO, Not received.
Our due date for 60 days passed and even with multiple mails sent out, CIC didn't replied. On Mid May after the due date i sent out a big mail asking for Status on my application to which they replied asking RCMP results again as they haven't received any and with another lease for 30 days.
We had to do RCMP test again and this time we got the results delivered at our home address and then mailed to CIC by ourself.
And this time we received confirmation from CIC within 8 days they have received the results. Whole cycle went from 14th Feb to 30th May. And we have been waiting since then..!!!
My suggestion: Get it delivered at your home address, add your application level detail in a letter and send the package yourself to CIC.