How do I initiate a divorce ?

You can file a complaint for divorce but I would recommend that you get at least a consultation before you do anything.

Benefit /marriage fraud

Your post is confusing. You had a B2, came to US pregnant. When did you get married? Did you get married to the baby's father?

Affidavit of support

47K should cover 3 people (your husband, you, and his mom)

Scheduling for Infopass in NYC field office

If you cannot do it online, call the toll free number.

I would recommend that you get your citizenship before you leave. A re-entry permit is an option but given the lenght of your expected stay in your...

H1b

Your question: "Is it legal to reply to RFE." Of course, it is legal. t is EXPECTED that your employer responds. You should ask your employer's...

I applied an i-130 for my husband in March 2013. The case was transferred to Nebraska. I am USC. No approval yet.

They transfer cases due to backlog. Schedule an infopass appointment and inquire about the delay.

H1b

You will get the EAD within 90 days of filing for adjustment of status. No, you do not have to maintain H1 or F1 while waitining for the green card...

Importance of Birth Certificate for Green Card

It is very important. You didn't tell us why you don't have one.

You should respond to the RFE (even if it is just a letter explaining your situation and the fact that you plan to leave the country).