Hi Soop,
It will take between 3-6 weeks to hear from them about your file number and the preliminary assessment.
After that you may wait for some thing between 4-6 months to hear again from them if your documents are complete and every thing is OK.
That what I hared from different people.
By the way there are different threats that you can enroll in and find alot of people around you as: Applied to Nova Scotia, Applications through Sydney, NS.
All my best