What are the steps/process after a foreign alien marries a USA citizen?

You really need to speak with a good immigration attorney to understand your different options and make appropriate choices. If he is planning on...

Fingerprints relating to your Form I-485, Application to Register Permanent Residence or Adjust Status

No decision can be made on an adjustment application ( 485) without an immigrant petition being approved first. (360)

Is there a way for adjustment of status ?

No. The case has to be reopened and terminated first.

Most recent tax return, form I-864

Yes you can provide 2020 w-2 and 2019 tax returns

I’m a permanent resident and would like to sponsor my wife, how long will this take?

Processing times are currently around 18 months but these are subject to change. Additionally as you are an LPR( and not a citizen ) the process...

US has j be no jurisdiction over who you work for from India . You do not need any kind of authorization to work for any US entity from India. You...

Green card 6 months requriement

While you do not need a reentry permit) if you return within 1 year), if your return is after 6 months CBP can assume you have lost your permanent...

You can ask but not no receipt is provided at registration. USCIS provides a registration number upon registration.

Yes. She can obtain a j-1 visa using current passport and can apply for a J visa in Canadian passport once she has obtained a Canadian passport....

You really do need to consult with an immigration attorney specializing in removal defense. 204 (c) in itself only relates to the immigrant...