Could be days to months - depends on the interviewer, the review and so forth - as well as how backlogged they are because of Covid.

You need to speak with an experienced immigration attorney. Having been through this personally I can empathize with your situation. There are many...

When asked about your children, you must disclose all of your children.

Do I need to go to court for a new title?

You should discuss this with a lawyer. Is the loan on the car yours or theirs? Why wasn’t the car registered? Have taxes on the vehicle been paid?...

I am planning to file F4 Family based green card for my sister using a Attorney ? Is it recommended due to long duration ?

Using an attorney for such cases is definitely recommended. Is the attorney stops practicing before they are allowed to come, it will have minimal...

Is it really require passport number or travel documnet of beneficiary ?

If you are applying for a visa for her, she will have to get a passport.

How should I respond to below Embassy's request?

If you want to be approved, you must provide what is requested and/or provide a written explanation for why you cannot, together with any requested...

How likely is it for Cooper County,MO to extradite on a felony drug possession charge from Broward County,FL?

The county didn’t charge him, the state did. Missouri will extradite from Florida for a felony possession case.

You want to disclose this and explain the same. Failure to do so will result in a denial due to attempted misrepresentation.

You must apply for a replacement and pay the relevant fees - $555.