Can I stay in US while COS is in process and my current visa has expired.

Yes. However, you won't be able to attend the school if USCIS do not approve your COS by the date specified by the school.

Can I continue to work for approved part time concurrent H1b while I search for new Full time H1b.

I agree with my colleagues.

Questions regarding a PERM application

The same employer can not file a new PERM application for the same position and the same employee while the old PERM application is on appeal. If...

Can I apply for my fiance after applying for traveling documents and green card?

I agree with my colleagues.

Are I797 & copy of revoked H1B required to file a cap exempt H1B ? Employer refuses to hand over I797 & copy of H1B ?

When the petition is revoked the visa number is returned for re-use. You are most likely subject to cap.

Is this right? I Don`t need to leave the US? The U.S. citizen starts the process by submitting a form I-130 visa petition

I agree with my colleague. Generally, the answer is Yes. However, I can not tell if she is eligible for adjusting her status based on the facts...

I-130

I agree with my colleague.

Do I need a new LCA for my new H1-B or can I use the one from my just recently rejected H1-B.

I agree with my colleagues. You probably have to do consular processing.

Your prospective employer can file a change of employer petition for you. You and your prospective employer should consult an attorney.

Selected as the best answer

I am US citizen by naturalization what do I need to apply for my wife. she is out of status

You can start the process by filing a Form I-130. Please read the form instruction too.