When could H4 dependent sponsor F1 status holder finance ?

1. If you get married before she gets her green card as a derivative of her father she will lose her eligibility for a green card on that basis. ...

If I send a petition to change status today, then will USCIS consider the petition, even though it is filed after the exp date?

it is not the visa but the I-94 card and DS-2019 that matters. There is a three day grace period for mailing. Cite the regulation and pay for...

I am an Indian Physician and I completed 6 years in an underserved area. I have EAD now from my NIW EB2 petition.

I agree with the criteria Adan has advised you. You may or may not be able to take advantage of AC-21 portability which would mean you don't need...

H4 to F1 Status change, if not going to native country can she work here on F1 status if she find job

Only if she has a status that authorizes her to work and a work card.

Deadline documents

Yes there is a 3 day grace period for mailing

What are the consequences of her over staying?

if she overstayed she will accrue unlawful presence and not be eligible to adjust status. If she wants to stay longer be sure to find another non...

Green card holder as a sponsor

The category is FB-2a. Look at the latest State Department Visa Bulletin to see what date they are working on based on her country of birth.

The change in status to B-2 will take several months and not two weeks. You may remain in the U.S. while it is pending but it is unlikely to be...

That is best. Each application should stand on its own so the officer adjudicating that petition knows the beneficiary is qualified for the benefit.

If I marry someone that overstayed their tourist visa, can I then apply for their adjustment of status and stay here until done?

Yes if you are a U.S. citizen and it is a valid relationship. Make sure they don't leave for any travel until they receive a travel permit as part...