Any idea???

Hello!
our case is processed under family class CHC Islamabad.our time line is.
1) 23january2006 apllication for permanent recidence recieved.
2) 28 march 2006 application submitted.
3) 20 sept 2006 starts processing.
4) 27 Nov 2006 asked for police clearence certificates wedding photos,old family photos and old form B.
5) 7 Dec 2006 above documents sended.
6) 11 jan 2007 asked for medical 7) 15 january proof of my enrollment in studies.
8)The above are completed till 25 january 2007.
so my question is how much steps left and how much time remaining after medicals .According to cic sites it is 2,3,4 or 6 months for whole process.Any sugessions,advieces,timeline sharing or anything is greatly appreciated.