Can new employer re-instate revoked H1B even though H4 petition is still under process?

This depends principally on the reason the H-1B was revoked, but it seems unlikely at this point at best. Consult with an attorney.

You should have received an email from the CSC PP service already.

My brother is in removal proceedings, is there any way that he could travel out of the country to visit our parents?

It is extremely difficult to obtain a travel document, called advance parole, for a respondent in removal proceedings. He should consult with an...

Yes, a police officer could ask you those questions in any number of circumstances.

You can contact your local USICE office an report the incident.

Can i use the petition which got expired (as mentioned on I129). If yes what are my chances and steps to continue. Please confim

It is highly doubtful that you can use a petition that expired in 2011 now. Consult with an attorney for a second opinion.

It is not clear why you are concerned about your F-1 visa if you are an intending immigrant with a pending I-485. Best to speak to an attorney.

My girlfriend's Q-1 visa ends on June 1st. I'll be citizen on June 2nd. Can she stay a day without visa so I can sponsor her?

It is possible for her to adjust status after marriage, even if her nonimmigrant status has expired. Consult with an attorney for specific advice.

Can my spouse get anything if I am on DACA?

No, there are no derivative benefits under rte. DACA program.

Hello I was in US with J1 Visa before one year and when I came to my country after finishing my internship

You would need a waiver to avail of the visa if you were selected in a year within the 2-year period.