Do I need to register with DOS, fill DS-260 &when? I won diversity lottery and awaiting bulletin results living legally in US

Follow all the instructions. Including the registration information.

Is it possible that I can bring my parents as a green card holder ? if not then can i at least bring them for a temporary visit?

As a green card holder, your parents do not qualify for one of the preference categories. Parents of U.S. citizens are eligible, but that does not...

Yes. Housing court is much more lax on rules of evidence.

Is my employer required to pay my full salary while I am serving Grand Jury Duty?

You should check employee policy handbook, usually there is policy on all absences including bereavement and jury duty.

My employer wrote me a bonus check in December but never gave it to. In January he told me that I would not be getting my bonus

Agreed. It all depends on your contract and what is written in contract.

Is my supervisor allowed to restrict access to a "panic button"? Even if it is not company property?

I imagine if it is truly an emergency, a person can just remove the tape and use it. Likely a mechanism to avoid misuse of panic button.

What is the correct name to be used, the original name or the new name from passport? Thanks a lot!

Agreed you need to talk to attorney right away. As you are an LPR not citizen. Application is not for immediate relative, and thus limited waivers...

What is the next step that my attorney will take for this retaliation and is my case ruined due to this?

Your attorney should be able to set up an arrangement to get your belongings out. Additionally, an employer can terminate you for shoplifting, it...

Is there anything I can do legally to combat this?

Viability of a legal case for discrimination is low based on information submitted. Telling you to buy lunch or not address her by specific phrase,...

Joint sponsor for an immigrant visa

Make sure to check updated 2016 poverty guidelines, they are updated every year.