haha..aite..on a serious note i emailed chc for my application status they replied the following any advice regarding this sudden change of file number with out any notification.
File No: S300018866 (Dis file number they provided is different i had a different file number)
Dear Client,
This is in response to your email (see below).
Your application is currently in process and is in queue for review by an immigration officer.
We thank you for your patience and for keeping your correspondence to a minimum.
Please note that we will be unable to reply to messages which do not include either the name AND date of birth of the primary applicant or the file number under which your application is being processed.
Regards,