How many years does it take to become a permanent resident if LPR mum files for sons

Seven years, no they cannot get a work permit based on a pending application that is not available yet, nor does it extend their status.

In 2011 i had Deffered action & got EAD on c14 now i am a Student applying OPT EAD is there any chances of refusal

If you disclosed everything when you got the F1, there should be no problem with the fact that you abandoned your previous deferred action status.

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Do I have to be in f1 status while waiting for my adjustment of status? I am underage still.

You need to be in lawful, nonimmigrant status to file for adjustment ,until and unless your mother becomes a US citizen. If you then are an...

Is it possible that company other than mine,applies for my green card while I still work with my company on L1a.

Yes, per our discussion.

I visa - media workers and social security number application

He should be eligible to file for a social security number if he is being paid wages in the U.S.

Impact on the immigration on forming LLC on L2 visa without EAD.

Since employment is not defined in the immigration and nationality act, it is difficult to say with any certainly whether the work you are doing is...

Pregnancy for a USC that is not my husband

It will make it much harder to show your marriage was entered in good faith if you are trying to file a joint petition for removal of condition.

What is right to put no on I-130 form for immigration proceedings? If we did not know for sure.

No, withdrawing an application for admission is not removal proceedings. It sounds like he is subject to inadmissibility for illegal reentry,...

Can I file Adjustment of Status while I-130 is already filed and pending?

She cannot file adjustment since the visa is not available. The visa for the spouse of a permanent resident is available if you filed before...

Can I get a resident permit?

You received the correct advice, you will need a waiver to return to the U.S.