About Interview Date

[forest999]

Hi! Please help

I have receied a letter for an interview but the interview date is not fixed. It is written that we will call for an interview. How long it takes to get inteview date?
Appylied on Oct 9 2006
Application processing date (as online) Dec 9 2006
Asked for documents 18 Jul 2008
Documents submitted 4 Oct 2008
letter received for interview (Date not given) Jan 3 2009
Waiting for interview date till now

Thanks in advance and good luck to all.
Forest999