Green card interview based on approved form I-730 ( relative asylee)

It is normal. USICS may waive an interview for I 485 applicants, but sometimes they do call you for an interview. I recommend to have an attorney...

What should be next step

It is too early to know anything. You need to be patient.

Can I file for bankruptcy without affecting my emmigation status?

No, as long as you do not have Tax issues. Because if you do have Tax issues, you will have hard time applying for citizenship.

Proof needed for bona fide marriage

You can bring affidavits from members of your family and friends confirming that the relationship is real.

Us citizenship and I-485

One needs to fie applications according to his/her residence. Qualifications for citizenship can be found at www.uscis.gov.

1) what are consequences of quitting within 30 days of getting my GC approval ? 2) Can my employer revoke my i140?

You need to see an attorney for a consultation rather than asking questions online.

How is the ex-employee (on H1B) impacted by terming the resignation as 'involuntary' vs 'voluntary' ?

You need to consult with an Immigration attorney ASAP.

Immigration

An employer is under no obligation to spend more money on Premium processing. Check with your attorney as to the processing times or check...

Arrests and naturalization

You need to work with an attorney on the issue like this. It all depends on details in your record. Hopefully, it will be considered as one...

It depends on an application. You have answer all questions truthfully.