How do you go about applying for green card or citizen ship?

Yes he must leave and return although there are different strategies to use for that. You really should at least visit a Board Certified...

How to request NVC to apply CSPA to my immigration case so my unmarried son can accompany ?

If you had an attorney he/she would contact NVC and explain the law and apply it to these facts. You must try to the same thing.

How to obtain expunction while being overseas?

You NEVER want to expunge criminal records until you are a US citizen. You will need court certified copies of them one day and if you expunge...

Can i apply for citizenship while I wait for my new resident card?

Yes, you can apply for naturalization assuming you meet all of the residence and intent requirements. You might visit a Board Certified...

How many days is it currently taking to receive the "plastic" green card after entering US on immigrant visa ? ELIS fees paid.

1 to 3 months; they are very far behind right now.

My question is if I am a US Citizen and I marry someone with a DACA permit can they apply for residency status or citizenship?

You can apply for her permanent residence but more than likely she will need at least one waiver, unless she entered the US with a visa. You...

No you cannot. That position does require a degree.

How do I send an explanation for the delay in my immigration case?

You would do exactly that: send an email to the NVC and explain the delay so they will not cancel the approved I-130.

Permanent bar or not ?

Regardless of how long your husband was in the US, entering the US twice without inspection results in the permanent bar, which means he must live...

Should I apply for re entry permit?

First, most green cards via I-90s take 3-6 months, not 9-10. Secondly, a reentry permit has nothing to do with your secondary inspections.