N400/RFE

Submit the tax return with explanation and respond timely. May be wise to consult an attorney prior to doing so.

Am I eligible to apply for unemployment benefits, and if yes will it affect my green card process in future?

Obtaining unemployment benefits will not impact your immigration status or subsequent filings.

Can applying for unemployment benefits impact the naturalization application?

This will not impact your naturalization filing.

Can I apply for unemployment benefits?

Unemployment benefits will not negatively impact your immigration status or future filings.

Yes he may but the sponsor must indicate previous sponsorships in the I864.

It is best to have an attorney review your criminal history to determine if there are any bars against you acting as petitioner.

It means that USCIS is likely in active review of case after transfer.

It should not but your marriage will likely be questioned to confirm it was in good faith.

How long it takes for the Interview once NVC is approved the documents my centre is mumbai India ?

US Embassy’s are not conducting visa interviews due to Covid-19. Wait times are unknown so be patient.

Every attorney is different but I would recommend paper copy and mailing to USCIS.