got approval letter and docs yesterday.......

Here is ma time lines

applications recd there on: jan 9 2008
got ref. 16...

got approval letter -02 feb 2008

Hi all

Here is ma details......

Application sent on : 5 jan 2008

Received on: 9 jan 2008.

and today I got ref. no. 2454**

is tht means my application is already considered by a case worker.... is anybody know how long it will take?