At last after 6 months and 2weeks of waiting, my SMC resident VISA change online status to APPROVED.
EOI..........................................18 Sep 2013
ITA Residence Visa Lodged........16 Dec 2013
CO allocation............................12 May 2014
CO requested documents IRD and 3 months Payslip ... May 12 2014
2pc ............................... June 23 2014
Decision Online status change to Approved .............June 30 2014