Can a person with criminal history that has already served jail time obtain citizenship?

Potentially, it is always discretionary with USCIS. Contact a US immigration attorney.

Because of having an asylum sister in U.S. I can't get a F1 visa?

Contact a US immigration attorney to review the denial and determine future options.

How many years of H1B extension can I get?

Contact your company's US Immigration attorney for status clarification.

I485 is approved for me and spouse has an RFE. But I got laid off now. What will happen to Spouse's RFE processing?

Contact a US immigration attorney for review - it is not an automatic denial.

Which address we should write on N-400 Part 6(B) for the employer, the address on W2 or address of the physical work location?

Review the instructions at www.uscis.gov and contact a US immigration attorney. Generally, the physical location is used.

N-652?

It appears you will receive a notice scheduling you for your oath ceremony.

F1 status after being included in I140?

Yes, it is possible. Contact a US immigration attorney to review your independent status options if necessary.

She has to contact the Embassy of Trinidad to obtain a valid passport and then she can leave. She will not be allowed to come back to the US for a...

It is random and there is no way to predict it. Chances of a request for more information is high and based on that response USCIS decides on the...

Withdraw my i-539?

Withdrawals take effect upon receipt by USCIS. Contact a US immigration for specific review of your situation.