Based on my case description below, how do I request USCIS to provide an update on my pending I-485 application?

Go ahead and file form I-765 for a new EAD.

Have you clicked 'submit' yet? If so, it is too late. If not, call the NVC.

Yes, you can withdraw the application. But, you probably won't be able to come back to the US for many, many years. Travel document to India? ...

The answer is 'none' ... The reason is probably "I don't qualify for one".

Immigration: N400 just needs marriage cert, copy of the green card, and that's it?

Let me start by pointing out that, since it is too late to naturalize and vote in the next Presidential election ... do not recommend that you...

Stay beyond H1B 60 days grace period if i-94 is valid for the next 2 years?

The I-94 will NOT BE VALID once you stopped working. You CAN NOT TRANSFER employers more than 60 days from the last day you worked. The 180...

Regarding Immigration ?

I am going to assume that, although you didn't tell us, you don't have a F-2 visa stamp in your passport .. please confirm. Also, you didn't...

I-130 Alien relatives?

You forgot to tell us your country of nationality. But, it doesn't really matter ... you still have at-least 5, or more, years before you can...

How long can my mother extend her stay in US on visit visa. ?

If you asked for 6 additional months ... file another I-539 well-before November 2020. Be sure to send proof that she wasn't able to obtain a...

Can an illegal immigrant get a permanent residency through marriage with a green card holder?

No, if you are out of status, marriage to a greencard holder is 'not enough'. Your spouse needs to become a US citizen. PLUS, if you have a 2...