Can a prospective employer have talk with the embassy and arrange for some alternative dates for Visa Interview ?

The consulate is not going to accept the contact. Suggest going to the interview or waiting until after Jan. 31.

I concur with my colleagues recommendation contact an immigration attorney for review and assistance .

Currently my H4 EAD is in progress. Can my spouse who is on H1B visa travel to India?

Yes travel is permitted for the principal H-1B holder in this situation

Should I get a US Passport?

You may be a US citizen or may need to make application for US citizenship. Contact an attorney that practices US immigration law fro assistance.

What are the chances of getting h1b approval , after I-140 holding employer closed company

You have 60 days after end of H-1b status to have a an H-1B filed by new employer.

How long can I stay in Usa If I have Green Card?

The question that concerns US immigration is where is your place of residence. As a rule of thumb spend more than 1/2 of every 365 day year in the US.

Reentry permit expedited request

The fingerprint process is not expedited by USCIS.

Yes the approved I-140 may be used to extend for up to 3 years. The employer's immigration attorney will be able to determine eligibility for...

Chances of getting RFE for H1 transfer application ?

You will need to wait and see but the it is likely that an RFE will be sent to your employer. Talk with the attorney that is handling for your...

What are the chances of getting my permanent green card after my USC husband left me and lived witb another woman?

You need to file the I-751 either jointly (together) or on your own. To file on your own you can file a good faith if the marriage is ended. See an...