Can he get married or does this case become nullified if he does?

If your brother gets married before your mother becomes citizen, he will lose this application and prirority date.

How to start a immigration Hardship for step father?

You should talk to your Mom's attorney for guidelines, Attorney knows what is required in case to prove hardship.

Green Card EB2 Eligibility

you need to contact a Lawyer and get credential evaluation done from an Evaluator to see whether you will qualify for Eb-2 or Eb-3

Our Immigration visa Denied last month because of not enough evidence to prove the relation for the sister..

If you have more evidence and time to file appeal, you should file it. Contact a lawyer for your options.

From B-2 to R-1 is totally a different process, need to file I-129 R supplement and your employer needs to do it. It can be filed during pendency...

Are same sex marriages difficult or tricky when applying for permanent residency?

Must be in good faith and the process is same for gay or other couples

RFE.

You should discuss it with a lawyer before submitting any documents in response to your RFE

Hi,im us citizen , i want bring my boyfriend to usa to get marry , which better fiance visa or marry aboard ?

You need to decied what suits you better. The processing times are almost the same for K-1 and K-3 (based on marriage). It is approximately 5...

I am on H1B with employer A , a new employer B has filed a petition to USCIS for my transfer. Whom should i be paid by?

To work with present or previous employer is your choice and you have to make it. Whichever employer you are working with needs to pay. you can...

Do I need to submit 2 pictures for a refugee travel passport while in the us ? (Form I-131)

Yes, you need to submit 2 white background U.S Passport size pictures