Can a L1 visa holder while transferring to H1B resign his L1 job after he receives change of status document and before Oct?

No, he can't.

What can I do to prove I was here on june 15 for deferred action?

You can look for docs which prove that you were in the U.S. before and after June 15.

How can i prove i was June 15th 2012?

You can ask the friend to write an affidavit to prove it.

Can a L2 visa holder while transferring to H1B resign his L2 job after he receives change of status document and before Oct?

I agree with my colleague.

How to help my fiance now?

You have several options. If you marry her, you can sponsor her for permanent resident status.

If I qualify for the deferred action, will I be able to marry my fiance and apply for a change of status?

I agree with my colleagues. Is your fiance a U.S. citizen? If she is, you may be able to adjust your status. Also, you wrote that your mother is...

Im a US citizen and my girlfriend is an immigrant, she is pregnant. Is their a law that helps us if we get married?

Would you tell us how she came to the U.S.?

H1 applied/ approved, presently on H4 - but travelling to India for a month (before Oct 1).

If she has a valid H-4 visa, she can use it to reenter the U.S. before 10/1/2012.

Q;do I qualify for the deffered action?

You probably need to get affidavits to prove that you have been in the U.S. since 6/15/2007.

Selected as the best answer

Deferred action application

It depends. You can call attorneys and ask how much they will charge.