Thank you all for your reponses. Particularly hm11 for the detailed posting
My details :
app : jan 30, 2003
priority : feb 5, 2003
fingerprinting : march 25, 2003
disappered from online system :early dec, 2003
interview letter received : dec 20, 2003
interview date : feb 6, 2004
will keep progress posted
good luck to all