Can i stay in USA for waiting COS from B1 to F1 post I-94 date (Dec 5, 2012).

Yes, you can remain in the U.S. while the COS is pending since it was filed timely.

H1 Transfer while my wife H4-H1 is pending ?

Only if the respective status is still valid, meaning that each status cannot have expired while the applications are pending. If so, you should...

If you have an expired green card

You can keep working as you are still a permanent resident but you should apply for a new card to have valid proof.

I m working with Company A and Company B on OPT which Expire on Jan 20,2012. H1B Approval from Company A date

As of 11/19/12 your are in H-1B status and cannot continue to work on EAD issued for OPT anymore. Otherwise you woudl have to change back to F...

For form I-765 #9, i want to know if my Individual Taxpayer Identification Number count as social security number, if used

It is not the same and does not have to be stated.

All depends on whether and how long he was unlawfully present in the US before he was granted voluntary departure. You should promptly see an...

Can I expedite my brother's immigration to the USA?

Your father cannot file a petition as a LPR because your brother is married.

Can I expedite my brother's immigration to the USA?

Your father cannot file a petition as a LPR because your brother is married.

I am a US citizen.Can I apply for green card for my mother while her application for extension of non-immigrant stay in US is

Yes, as long as you are at least 21 years of age.

I have been granted voluntary departure. I have 2us daughters and have been here for 10 years if i marry a us citizen can i stay

All depends on when you were granted voluntary departure. The Immigration Judge has to reopen deportation proceedings for you to apply for relief...