Post I-130 Approval for Brothers or Sisters of US Citizen

[abhiruchi]

Hello All, Posting comment first time in this forum and requesting your guidance.
My sister is US citizen and when she filed I-130(Brothers or Sisters of US Citizen) for me at that time I was in US with my wife and kids. She received I-797A now and need to file I-824 for me as I moved to Canada. Can someone help on the below:

1. In I-824 Part 2 she chose 'USCIS to send my approved Visa Petition to the NVC' and my details(beneficiary) in Part 3, then whether she must also file my family(wife and kids) details in the 'Dependents' and 'Foreign Address of Dependents' , so that NVC send immigrant visa request to NVC for my complete family?
2. What additional documents need to be sent to NVC in addition to I-797A, filled I-824 form and the I-824 fees receipt ?
3. What would be next steps for getting immigrant visa for me and my family, will NVC/Consulate in Canada process immigrant visa for me, my wife and my kids together?
4. After reaching US post getting Immigrant Visa how long will it take to get Green Card for my entire family?

Requesting you to kindly suggest so that we can proceed accordingly... Thank you in advance.

[victoriafeest]

Assistance with Form I-824 and the Immigrant Visa Process for You and Your Family
Allow me to elucidate your situation and provide you some advice:

You can count on your sister to fill out Form I-824's "Dependents" and "Foreign Address of Dependents" sections with details on your wife and children. Because you are the principal applicant (beneficiary) on your I-130 petition, your close relatives can also apply for immigrant visa benefits.

As long as you provide the necessary information, the National Visa Center (NVC) can submit immigrant visa requests on your behalf and for your entire family.

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