If B2 holder applied for F1 visa appropriately in his home country and the US embassy denied his F1 can he lose his valid B2?

Yes

How do I go about getting proper document to live & work?

Options depend on facts. You really need to meet one on one with an experienced immigration attorney, whether myself or one of my colleagues, so...

Question regarding reinstatement to F-1 and H1-B (Immigration Attorney)

Nothing in your posting constitutes one of the grounds USCIS requires for an expedite.

Do you think we have a good chance of getting an approval from the BIA from a denied I-130? Please see additional details.

To get a second opinion you will need to hire an experienced immigration attorney to review the entire file and render that opinion.

What are my options?

Option 1: remain in the US and eventually apply for naturalization. Option 2: remain in the US and not apply for naturalization. Option 3: leave...

OPT Expiring Nov14'2013. Got Admission for this Fall'13(Aug26th class start).

Ask your DSO.

Continue to help her to get her green card after that she applied for i-751 and they got an interview but they didnt get well i

I have absolutely no idea what you are attempting to ask, but it is very likely that your friend is the person who should be doing the asking.

Does Order of Supervision mean that I will be deported eventually?

Not necessarily. It depends on your country.

It means exactly that, that the case will not proceed until the security checks are completed. How long security checks take do not depend on the...

I have my AOS interview on 9/20/13

The immigration consequences of convictions depend on the exact language of the statute under which the conviction took place. You need to...