Can I be stopped from immigration officer to the airport to enter in USA?

You can always be stopped and questioned or referred to secondary inspection each time you are seeking to enter the U.S.

Will there be any issue going away for education abroad with a Green card?

No. If he stays outside for more than 6 months, he will be presumed to have disrupted his continuous presence which would delay eligibility for...

If I was brought to the U.S as an minor Do I have to pay 601a waiver

You need to consult with an immigration attorney prior to filing anything else. If you entered without a visa, the I-601A will likely be the next...

You need to consult with a family law attorney.

Can EAD application (form I-765) be expedited? How much does it cost?

No. Premium processing is available for the L1, but not for the L2's EAD.

Is a NTA issued for failing to appear at a I-751 biometrics appointment?

No, but you should have your biometrics taken as soon as possible to prevent a denial on the I-751. That denial could result in an NTA.

Can I get green card through my father who is a naturalized US citizen?

It is possible that he could petition for you, or it's possible that you derived citizenship from him. You will need to consult an immigration...

For how long should I wait for a green card interview based on marriage?

The online case updates are often wrong. You can try placing a service request with USCIS or making an InfoPass appointment with your local office.

How can I change my status for my daughter's application?

Send written notice including your case number and proof of naturalization to USCIS.

Yes. If you fail to appear for an immigration court hearing the judge will enter an in absentia order that day. If this has happened, you should...