This is the link - https://secure.cic.gc.ca/enquiries-renseignements/canada-case-cas-eng.aspx
If you are doing this for medicals update, attach two screenshots of gckey and your medicals acknowledgement pdf.
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Yeah i heard..pretty depressing. Also heard that applications are not processed in any sequence so its really not in any of our hands, when it comes to predicting when and what will be done. Just gotta wait i guess, which is torture.