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Thanks a lot...can you please suggest me the best consulting agency I can contact with for my PR visa.

If you want good advice, then work with a Canadian immigration lawyer and not an agency. This forum is paid for by a good Canadian immigration lawyer. Click on the "Campbell Cohen" at the top of the screen to find their contact information.

It is impossible for you to migrate with your entire family of four people. If you are not willing to be separated, then you should forget about coming to Canada. Again, there is no way you can all migrate together. It's impossible.
 
Ok will it charge to deal with the lawyer for immigration and if yes then how much?
Also documentation and all will be done by whom and how?
And my husband can migrate with me na?
 
Thanks a lot...can you please suggest me the best consulting agency I can contact with for my PR visa.
It is not a visa. You can do it yourself all on the Express Entry - Federal Skilled Workers website? Are you even eligible with a minimum of 67 points (language, education, age, work experience). If so calculate your CRS score, you want over 468.
 
I haven’t given the IELTS test yet.Will be giving next month.The cost I have just checked is 1,40,000 around for PR.Is it correct?
 
My age is 22.Work experience as a teacher,counsellor and coordinator is 3 years and have done bachelors and will complete masters this year.
 
What will be the total cost for both to get PR?
No issues with proof of fund.

No, these aren't the total costs. There will be additional costs. You will need to pay to get a medical and also pay for other processes such as the policy certificates and translations.
 
Is Eilts test compulsory for immigration and is there any other test also that is valid to apply for immigration??

You must take IELTS general.

The only other test accepted is CELPIP however I think you'll find that this test is not available where you live.