Based on your question, I have no clear idea of what your situation is. Consult an attorney ASAP.

When is my Interview after NVC send all my documents to the embassy overseas ?

Agree with Mr. Smith. It usually takes a few months, and you get a month's notice of the interview, absent a glitch. Some Consulates contract this...

What I should consider if my F1 visa expired ?

If you applied for Adjustment of Status, you are no longer on a Student Visa, and your I-20 is irrelevant. A valid combo card may allow you to...

NIV: non immigrant visa If this is an immigrant visa (IV), it's not NIV. Consult an attorney.

I-485 approved after an hour of the interview And I don’t know if I pass the interview or not?

It is becoming standard practice for CIS not to approve cases at the interview. Wait until you receive your "Welcome" letter to get confirmation...

How long does it usually take when case has been transferred to another office? And is this a good thing?

Not enough information for a very case-specific question. Ask your attorney, or hire one if you haven't done so already.

Can I apply for visa and get it in June if my travel plans are for October ?

Sure, you can apply now. Adjudication of B-1/B-2 visas vary greatly from one post to the other. Be aware of the fact that you have to submit...

Can a criminal case be dismissed if the witness commits purjury under oath

Moved this to Criminal Defense so you can get help from attorneys who specialize in that area.

Wrong client Department info & Addess in LCA for H1B, Working in different location for same client but diff department?

This is a very case-specific question, and your attorney is much more knowledgeable about your case than anyone here.

Can return to the US from a foreign trip? With valid passport, my expired conditional green card & I-797C, Notice of Action?

How could the I-797C Notice of action (receipt, I guess) "confirm" your residency? How do you know your application will be processed in the next...