Can a single U.S. immigrant sponsor his parents to come to U.S.A?

Only if the immigrant becomes a USC.

Immigration: whats the next step and how long my daughter has to wait? Can she obtain a legal ID while her papers are processing

She won’t have status while waiting for PD to be current. IF she doesn’t have 245i, she might not even be eligible for adjustment through your...

Can change in USCIS office result in different decision

You can always refile but your chances depend on your underlying case itself. If it was denied 3 times, not sure how a new office would rule...

That’s how it is sometimes – quota, backlog, a lot of applicants. It will move at some point though.

Will I qualify for EB2 green card processing category?

It’s not just your degree, it’s the position requirements.

VISA B-1 AFTER MARRIAGE/ ADJUSTMENT OF IMMIGRATION STATUS

a. I have a visa type B-1. my wife is an US citizen, we are planning to adjust my immigration status in the country. what are the forms requested...

He was advise to deportation in 2009 but stay. ice arrested him 2014 what happens next.

Deportation (unless ICE can’t get travel documents).

If at all H1B rejects (or RFE). Still can I able to come old F1 stamping or it is invalid as I went to H1B stamping?

Confusing. You said you got H-1B valid October 2014. If that’s the case, then you do stamping.

Interview for I-485 employment base in Detroit

Would be tough based on the criminal records.

Just explain the discrepancy, should be fine. But next time be accurate.