Should I expect an interview or a denial is possible?

You will probably be called in for an interview.

Brother filed I-130 for his unmarried sister.After petition was approved and sent to NVC,sister got married.How to report it

Getting married has no effect on the I-130. She can report it on form I-160. BUT ... don't be surprised if the B-2 is denied.

STEM OPT Application

I agree with my colleague ... re-file.

Q: Should we get married in the US, then I go back to Mexico and apply for an L2 visa and come back to NY? A: Yes

Date of status for a green card case?

I agree with my colleague ... the date of the I-140 denial will be the date of the I-485 denial also.

How may I transfer my case to be processed abroad?

If you have a valid and unexpired H-1B visa stamp in your passport ... you can travel for a SHORT period of time ... and then return to your...

Clearly the answer is yes ... especially since an expungment has no value when it comes to immigration law.

Is F1 reinstatement and OPT possible for me?

Although I suspect that this plan won't work ... talk to your school's DSO.

Have you EVER previously filed a petition for this beneficiary or any other alien?

From your description NO PETITION was filed.

How long take to get a N-662?

Did you take your oath in a Federal court? If so, contact the court clerk.