Masood,
I cant chat now cause i need to watch world cup final match. but i can give u the link
http://www.cic.gc.ca/english/information/applications/guides/EG72.asp
check the following lines
Make an arrangement for testing and pay the test costs. A list of designated testing agencies can be found at:
www.cic.gc.ca/english/immigrate/
skilled/language-testing.asp
2 Consult the “using your test results” section to determine how many points you will be awarded for your language proficiency.
3 Submit the assessment results with your application.
Do not request that your (IELTS, CELPIP or TEF) language test result be sent directly to the Visa Office. Submit your original test result with your complete application to the CIO.
4 Your test results must not be more than one year old at the time that you submit your application.