Me and one of my friends in same situation. Like you, our NOC is 2174. My friend's app date is 20th May and mine is 21st May.
Nothing from SGVO after AOR in 23rd of Oct, 2014.
No add doc req, no site visit, no 2nd line, no MR & no NOTHING... :-X :-X :-X
Please update forum about your GCMS...