This question does not belong in the Immigration section. I am referring this question to the Family section.

I recommend that he should retain an experienced immigration lawyer to represent him. To find a lawyer, select the “Find a lawyer” link at the top...

When/how should my wife file her I-485 to request an adjustment of status after I filed the I-130, as she entered on a B-2?

You can file her I-485 after she has been in the US for 90 days. Here is an overview of the green card process: To adjust her status (get a...

Will my marriage be questioned? We have lived apart and I had children that are not my husband's.

It is difficult to say without knowing your full history. You should consult with an experienced immigration attorney to discuss your options. To...

I am a US citizen and would like to petition my mother to the USA. How long do I need to live in US to petition here?

You can petition your mother now. Consult with an experienced immigration lawyer to determine whether you need to file a waiver. If she entered the...

I -131 filing online

I agree with my colleagues. File the paper version of the I-131, which you can find here: https://www.uscis.gov/i-131

I want to check my available options for obtaining a permanent visa and work permit for USA.

I agree with my colleagues. You need to consult with an experienced immigration attorney who can explore your options. To find a lawyer, select the...

Yes, you may enter the US so long as your visa remains valid.

Yes, you should notify them of your changed address using this form: https://www.uscis.gov/ar-11

Should I response The RFE?

I agree with my colleagues. Send in the response to the RFE with a copy of the approval notice.