EB1 Greencard with employment contract?

If you are planning on keeping your end of the bargain then signing such contract should not be a problem for you, should it?

How can I get work permit while I am in USA on a TD visa.

You need some kind of a valid status which provides for employment authorization to do that. TD does not allow for EAD.

My wife got asylum based on religion, but I did not change my religion. Can I travel to home country?

If you are a national of that country and got an asylum applicaiton as a derivative from that country, you might run into problems returning from a...

Is it possible to file amended petition for location change even though H1B transfer petition is in progress(case filed status)?

You are still working for the current employer. If they change your employment location they have to file the petition.

I do not beleive so. It is too long a shot to have any serious impact on your visa chances.

Seeking employment with a felony conviction

Talk to the employment law lawyer. Hopefull you will not have problems finding work.

H1 to H4 while in US. What documents are required? Which processing center to send the application if I am in NY. How long takes

I agree. The form you need to fill out is I-539. Take it to an immigration lawyer for review and assistance.

Non-resident with B1/B2 visa owner of LLC

You seem to be asking quesiton about Canada. This forum is all about the USA.

Where do I go after I have received my I-797A approval notice for a change in status?

Nowhere. If you got your I94, you can stay and work in the USA.

I am Guatemalan and received my EAD after being approved with SUSPENSION OF DEPORTATION, "C10". I need to know if I can...

If your suspencion of deportaion was approved but you still did not get the green card, you need to make an infopass. If you are in the proceedings...