If non US citizen marry a US citizen, while in visit visa, when he/she can apply for green card?

I agree with my colleagues above. As an immediate relative of US citizen you can apply for green card right away and adjust status in the US since...

Got married a month after arriving in US on B1/B2. Was not planned. Then filed I-130 but not I-485.

Better to stay here and adjust status at this point. Although there might be an issue of fraudulent/preconceived intent since you got married so...

You can still get married even though she is out of status. And as my colleagues mentioned you will then be able to file a one-step adjustment of...

How can i marry an illegal person ?

It does not matter that she is out of status, you can get married to her and file for her green card. If you are a US citizen, your spouse is...

Is this illegal?

I agree with my colleagues above. However, in order to know whether what you did constituted fraud/misrepresentation, we would need to know who...

After entering the US in 2002 on non immigrant visa, I married a US Citizen in 2011, but now Form I130 has been denied.

It is hard to answer a question like this in an online forum without knowing all the facts. I would suggest that you consult with an immigration...

Can I send the AOS package now

I agree with my colleagues above. Since you are in status here, you can adjust status once your priority date become current.

What Is papers are required when traveling in the U.S with the Dream Act(work permit) just the I.D they provide you?

Just your work authorization from USCIS.

If I overstay my visa and get married to US citizen at what point am I no longer subject for deportation?

If you haven't filed your adjustment of status application, then you are still subject to deportation/removal if you come under ICE radar or you...

I have a deportation from 1999 . since that time I been in USA. Do I qualify for deportation cancellation

The answer to this question is specific to the facts. It is possible that what you signed might have been an expedited removal, voluntary return,...