I hope could give u brief about of my file :
1) file no have started process september 2008
2) documents submiited august 2009
3) additional documents submitted 2009
4) photos request came december 2010 (29th december day my daughter born)
5) added my daughter in application jan 2011
6) medical request came on 3rd march 2011 ( recived by us 2nd week of april)
7) medical done : on 23rd april 2011 ( received by london office on 28th april 2011)

waiting for ppr? now !!!!!!!!!!!!!!!!!!!!!!!!!!!
visa : awaiting
landed : awating
Thanks
Harsha