How long i have to wait more , i have submit I-751, now i submit Notice of action I-797E on 21 aug 2013,, how long i have to wai

I-751 is not necessarily USCIS priority and so it can take longer to adjudicate.

My dad got visit visa for usa, and his visa type is B1/b2 how can he transfer the visit visa to work permit to authorize work in

USC's can petition for parents and sponsor their green cards. Your father will be authorized to work as a permanent resident and if you decide to...

I am in the process of getting married to a US citizen

Yes. Once you get EAD and can get back to work, you may bring evidence of employment at the interview to support your case towards public charge...

H1b was filled on April 18, 2013 but the status is still in Initial review.

If the H-1B was filed on April 18, 2013 and it was subject to the cap, it will in all likelihood be rejected and sent back.

How much do I have to pay for federal tax while on OPT (F-1), and Single

Talk to a CPA/ tax consultant.

Went for AOS interview for F4 and everything was fine and now get a letter stating wants final decree of divorce and affidavit

You have to timely respond to the request or the application will be denied. Considering the strict timeline of these request and the complexity,...

L1 to H1 transfer, providing 2 weeks notice to L1 employer in September

I would read my employment agreement and/ or have it reviewed by an employment/ labor attorney. If you agreed to a 2-week termination notice and...

Surrendering our expired green card , details of green card are as under Alien no. A043583248 card expires 10/2/2002

Depending on your nationality, seek appropriate visa to enter in visitor status after you formally surrender your green card.

As long as the marriage is out of love and affection and not to procure immigration benefits, you are good.

H1B pettition on RFE while EB1(C) is in progress

No; do nothing as the employer will withdraw their petition