FYI for those in a similar situation, condition 51 has been repealed last April 18th. Ammendments made on regulations on minors for sponsorship as well. CIC to publish more details soon.
http://www.pco-bcp.gc.ca/oic-ddc.asp?lang=eng&Page=secretariats&txtOICID=&txtFromDate=2017-04-01&txtToDate=2017-04-20&txtPrecis=immigration&txtDepartment=&txtAct=&txtChapterNo=&txtChapterYear=&txtBillNo=&rdoComingIntoForce=&DoSearch=Search+%2F+List
http://www.pco-bcp.gc.ca/oic-ddc.asp?lang=eng&Page=secretariats&txtOICID=&txtFromDate=2017-04-01&txtToDate=2017-04-20&txtPrecis=immigration&txtDepartment=&txtAct=&txtChapterNo=&txtChapterYear=&txtBillNo=&rdoComingIntoForce=&DoSearch=Search+%2F+List