Dear Azeem,
Yes you can get all benefits after here.
You have to spend only 90 days to qualify for free health Benefit.
Child benefit you can get once you apply for the same.
initially you have to do little bit struggle for settle but once you settle no problem.
Please also make sure that every country has its advantages and disadvantages also.
Bad thing in canada is "WINTER" . Horrible...... But nevermind you will used to it.
____________________________________________________________________
Now about your PR application then I must tell you that you are late by 6months. they have removed your category from high demand list.you have to wait till high demand occupations list change.
You have other options like look for any canadian employer who is ready to hire you and apply for your immigration also.
Visit this link
http://www.cic.gc.ca/english/immigrate/skilled/apply-who-instructions.aspfor your eligibility.
I hope I