Correspondence was received and Uscis is reviewing it all of a sudden

Consult with your hired attorney for information about your case status.

If the principal beneficiary died before getting welcome letter? immigrant visa for derivative beneficiar ?

If the petitioner passed away after the I130 approval you can apply for humanitarian reinstatement with a substitute sponsor. Consult with an...

Got married before divorce was final

It is advisable to consult with a family law attorney for your state for further guidance.

Can I stay over 6 months outside the US after my n400 interview waiting for my oath ceremony day?

It is not advisable to remain outside of the country for more than 6 months while your petition for naturalization is pending.

Typing mistake in form ds260

You can contact the NVC or notify the consulate of your correct email address in case of any mailings to you.

Yes you should indicate all addresses including your home and school addresses.

How long it will take to get the passport in hand after visa issuance ?

It can take between 2-3 weeks for the passport to be returned to you with visa depending on the issuing consulate.

Can we apply for green card and I live in state and my wife is in another state?

You can do so with evidence of the basis for not living together. It is not advisable however and you should consult with an attorney for guidance.

How do I find out if my green card is still valid

You can schedule an Infopass appointment to obtain a I551 stamp with your I90 receipt.

Can my sister apply for my green card if she is a citizen ?

She can apply for you as a USC but you would need to be in valid status throughout the 12-14 year wait for a visa to become available and...