I'm a US Citizen, my fiancé and father of my child is on Order of supervision. Can he still be deported after we marry?

There is likely no waiver available for the aggravated felony so yes he can be deported.

Should I file another N-400 form and bring it with to the interview?

What are the mistakes? A simple typo may not be an issue but answers that may lead to allegations of misrepresentation are serious and should be...

Will existence of criminal record affect approval of immigration visa to the US?

Yes it will. He is one of the immigrant applicants and his crime may be an aggravated felony or CIMT. I suggest you have an immigration attorney...

You should provide both addresses to the USCIS. When in doubt whether to include information it is best to do so in order to avoid an accusation of...

I am applying for a H1 visa and my parents, who are citizens, want to sponsor me for Green card. Is that ok? Any side effects?

For advice on how to proceed in your specific situation consult privately with an experienced immigration attorney. This site is not set up to...

I come to usa with B1/B2 visa type and i made an interview and they accept me , how i can change my visa type to H1-B

You may change you visa category from inside the USA as long as you are in status. To obtain an H1-B you need an employer who will sponsor you.

How do we go about getting an extreme hardship waiver?

As with most people your husband made a poor decision in his college days. He was found guilty of marriage fraud. There is no waiver available to...

I came in U.S.A in feb' 2013 on fiance' visa and got married within 90 days. after that our relationship did not work,

Same answer as before and Yes a provisional waiver requires that you leave the USA for a short period of time to obtain an immigrant visa from the...

I came in U.S.A in feb' 2013 on fiance' visa and got married within 90 days. after that our relationship did not work,

In general when you enter the USA on a finance visa you may only adjust status - obtain LPR status - through the K visa sponsor. If you do not...

Will I be able to get permanent legal status?

Assuming you entered the country without inspection, in order to adjust through your wife you will need a provisional waiver. You may also apply...