H4 visa stamping 176 days H4 i797 expired in and spouse changed job?

Your maintaining status depends on your spouse maintaining H-1B status. When you spouse does not have H-1B status you do not have H-4 status.

What is a status conference when u have been sentenced to prison?

This is not an immigration question.

H4 out of status, RFE during visa stamping asked for letter from last company on when H1 spouse left his job?

The request for evidence to establish your spouse's actual dates of employment is reasonable. If the employer is unwilling or unable to provide the...

Employment outside the L-1 is not permitted.

Are these enough financial documents for I-864 or will I get a RFIE?

Without actually reviewing what is on the documents it is impossible to determine.

Can I change my financial documents single sponsor to joint sponsor at the time of interview ?

Yes it is possible if need. have the documents prepared ahead of time so they can be presented as needed.

Visitor from India?

This is true and they may also file for an extension from within the US. There are issues with both approaches. If they depart and are refused...

H1b Transfer in 6th year with approved I140 from a company which was acquired by another company recently

These questions should be addressed to the immigration attorney for employer C. Details are important and a full review not an internet question is...

What should we do to reschedule an initial interview for a pending I-485 application after a cross-country move?

You should contact an immigration attorney for assistance. It is possible that the filing may be denied for failure to appear but it is possible...

Based on the information you provided your spouse does not have an H-1B visa. Your spouse has H-4 visa and status. If this is correct she cannot...