Jawad
if you have not yet applied, and you are Category 1 FSW, you do not need to send in your proof of language ability to Sydney Office, but they suggest you have it ready so that you can provide this as soon as they accept your initial application and request documents
please see pages 8&9 of...
http://www.cic.gc.ca/english/pdf/kits/guides/EG7.pdf
if you have not yet applied, and you are Category 1 FSW, you do not need to send in your proof of language ability to Sydney Office, but they suggest you have it ready so that you can provide this as soon as they accept your initial application and request documents
please see pages 8&9 of...
http://www.cic.gc.ca/english/pdf/kits/guides/EG7.pdf