So you have 2nd line on ECAS which states:
2. We started processing your application on December 9, 2013.
You should have received the Meds, PP, PCC and RPRF by now.
If you are already done with the obvious things like looking in the spam folder for email from DELHIIMMIGRATION @ international.gc.ca, then I believe it is time for you to log a Case Specific Enquiry here
https://dmp-portal.cic.gc.ca/cicemail/intro-eng.aspx?mission=new%20delhi
With the UCI, application number and the word URGENT in the subject line.
The reason I say this is because,
if NDVO assumes that they have sent the Med Request, then you will have a deadline to submit the documents that they assume they asked for.
In my case, I got document request letter, medical instruction, CIIP invite on 7th December and medical request on 8th December 2013. On 7th December, I believe my ECAS showed "We started processing your application on December 3, 2013."
Hope this helps.