How do I prove extreme hardship in a cancellation of removal & adjustment of status application?

You should absolutely get a lawyer if you don't have one already. Cancellation cases are extremely difficult to win since the burden is so high and...

Are you submitting the form to USCIS or the NVC? That could make a difference as to how you fill in the I-864. As for your immediate question, it's...

Apply Green card for parents while I am also on Green Card

You'd have to naturalize-- there's no visa preference category for the parents of an LPR.

If a person "aged out" will she be dropped to another category or will she have to start the process all over again?

We'd need precise dates (when the petition was filed, the daughter's birth date, the date the priority date became current) to definitively answer...

My R-1 has been expired but i-94 is valid upto feb 2017 can my church file a petition of i-360 for me

The I-94 is what determines your period of valid stay in the United States. A visa (meaning the stamp they put in your passport) is only used when...

Am I eligable for an E3 visa if only my post grad degree is related?

I would think so, but it would depend on the specific job duties you'd be performing. A job's duties, rather than its title, is what USCIS looks at...

O - 3 visa for minor dependant

You can submit the O-1 and the O-3 change of status applications together. The O-1 is done on form I-129 and the O-3s are done on form I-539. You...

Will USCIS deny my TPS renewal application for haiti because i forgot to put 2 misdemeanors on previous applications?

Do you have copies of your previous TPS applications? You should take these to a lawyer and consult with him/her as to the best way to move forward...

Is it a crime under US law for a person to marry a United States citizen in order to get a green card?

Yes, yes it is a crime. A pretty serious one, too.

Filling for Greencard when on visitor visa extension

Well, it's always better to get a lawyer when you're doing anything related to immigration. But, to your general question, if you are a U.S....