I am done with my Online Immigrant Visa and Alien Registration Application (DS-260).

Yes, follow all the instructions and include all the required documentation.

Online Immigrant Visa and Alien Registration Application (DS-260) I serve as an agent for my mom and filling this up.

Answer the question truthfully. From what you have written, a truthful answer would be "no". This does not preclude him from immigrating later.

Also, if you are not a US citizen, you should tell your attorney to analyze the immigration consequences of any plea or conviction.

Can I be detained at my immigration "check-in" if my visa was denied?

You have not supplied sufficient information, but generally, yes, they may. I highly recommend you contact an experienced immigration attorney to...

Vistior Visa Stay

It depends what kind of visa you are entering with and what is your county of citizenship.

My husband is an immigrant and I want to apply for his green card

It depends on the circumstances. Domestic violence is a crime involving moral turpitude and therefore he is inadmissible. Contact an attorney...

Filling i765 form for Optional Practice Training(OPT)

You are eligible to apply for a one-time 17-month OPT extension, beyond the initial 12 months of OPT, if you meet all of the following conditions:...

Birth Certificate was translated and the Ministry of Foreign Affairs authenticated the doc. and emitted a Apostille. Is this ok?

This should be sufficient for the USCIS.

Based on the limited information you have provided, you are not subject to 212(e) (two year home country physical presence requirement).

Hi!I have visa visitor and I want to get married with my fiancé which is American citizen .I want to get married in US.Can I ?

Generally, yes, but these are very fact-specific scenarios and you should consult an immigration attorney. For example, adjusting in the US...