Where to send documents

[mahfujul420]

Hi,
I am a tier-4 applicant and recently applied for leave to remain within UK. I have recently changed my university and got a new CAS letter from the new HEI. As I have already sent my educational documents to the UKBA at the time of application. So I am not sure where should I send my new CAS letter as well as Cover Letter. Moreover, I also need to send my wife's (Dependent) passport, as I could not send that at the time of application, as it was lost. So, my wife had to collect a new passport from the High Commission in London, and it needs to be sent now. It should be noted that my application is still pending in the UKBA. Is there anyone, who can kindly suggest me where to send those documents? Please help