New Jersey expungement

It is not possible in one month. It takes about four months in most counties.

What papers should I be filing? My mom came to the United States illegally, but I (her son) was born here.

If your mom came illegally the worst thing you could do is file an i485. If you care about your mom, so it the right way, consult with and hire a...

Is it possible to file my I485 with my own lawyer?

YOu can get your own lawyer for the I485 as long as your employer is OK with that because documents from the employer are needed for the process.

The fact you are struggling with this, which is very clear from the instructions, is a good sign you should hire a lawyer to help you before you...

What i can do next ? what kind of penalty i can get?

The only good advice you can receive is to hire a lawyer.

How do I obtain this minute order? Does NJ completely erase all the records? Is there anyway I can get a copy of this document?

Your immigration lawyer should know what alternative documents can be provided. If you used a lawyer for the expungement, s/he may be able to...

What should I do first? Apply for a green card or apply for a new passport? or can the both process go hand in hand?

You should talk to a lawyer for assistance with your case. You must have a valid passport in order to receive a green card.

Concurrent filing i130 and i485 for parents.Should I mention married sister's name who is not interested to immigrate to US.

You need to list all requested information. Your sister is the child of your parent, and goes in the section asking for children of the beneficiary.

Trying to find out criminal records, DUI records, etc from an individual that is around my son is harrassment?

It is not harassment if you run a check through a company or hire a private investigator. You'll need his information.

What are my chances of a visa?

None of the facts you've provided help determine your eligibility for a visa. Contact a lawyer directly so s/he can obtain the relevant details.