Our petition was approved by USCIS but NVC claim they have never received the approved petition from USCIS

I also recommend you involve an attorney to help you. Typically USCIS notifies the NVC and it's not an issue, so something went wrong. Would need...

Is the money of the new immigrants transferring to US taxable?

No, they pay taxes on income earned after they transfer the money and they become LPR. Check with tax attorney for more information.

Should I travel, while my application for Replacement Card of EAD/Travel is pending ?

You won't be able to reenter without a travel document. You can make knfopass appointment and apply for emergency AP. You might need an attorney...

How do I sponsor my wife?

Fiancée visa is appropriate. Talk to an immigration lawyer, there are other options but you'll need some time to discuss them. Fiancée visa will...

How can I get a green card for my step-son?

If the child is in the US you can file a "one-step" for an immediate relative. You will need to evidence the relationship between father and son. ...

What to do to back to USA if I overstayed for more than 180 days

It's possible for you to file a non immigrant waiver and renter but I highly recommend you talk to an immigration attorney to see if you are...

Yes, send the proof of return flight with the copy of RFE and cover letter explaining what happened. If you don't, it is likely it will be denied....

Is it possible to get a B-1 visa to come here to look into creating a new business in the US?

If you are considering starting a business in the US, applying for a B1 visa makes sense. Those items might suffice for the application but to...

Citizen Married to International student what should I do for her to get a resident statute

File I130 and I485 known as 'one step'. You will need to evidence it's a good faith marriage. Recommend you speak with an immigration lawyer about...

Why was my visa cancelled and when to apply again

You need to meet with an attorney and go over the details. That section of law may point to you having immigrant intent. You needed a different...