Yes. Put a c/o. and do an AR-11. .

If someone had a mental illness in the past and is improved now, does he need to show any evidence about that to USA embassy in-

No. It’s implied in medical. .

On-line I-751 application process

Yes. 90 days is the rule. .

Adjustment of immigration status while in the USA and a married daughter of US citizens

If legally in the US, and priority dates are current, then she can apply for AOS.

If someone had some mental illnesses in the past and is improved now, for applying USA visa, does he needs to show evidence to

No. Those issues are inherent in the medical requirement already.

Immigration Status change after marriage before green card

No. If you lose your status you still can get a green card since you’re marrying a US Citizen. Just show you entered legally – visa, I-94.

He can apply for a tourist visa (temporary). You, mom, and dad can also file a petition or him, but you’d have to wait for priority dates to be...

Can I apply for Religious asylum after one year of being in the US ?

Yes but you have to meet exceptions. Change in country cond. Or except circ.

If the marriage occurred before son turned 18, then the USC can petition for stepson.

Need to update

When PDs are current then you can enter your wife as follow to join w/ NVC.