Immigration

When the time comes, you will apply for a waiver of the joint filing requirement. Consider consult with an attorney to learn more.

Contact NVC by email. The chances of an expedite request are limited depending on your circumstances.

Parent/Husband Green card sponsorship ?

I agree with my colleague. Parent based cases are often easier than spousal petitions.

No, but they may apply for an extension of their visa. Also, depending on your status in the United States, they may be eligible for adjustment of...

Can I request an extension for my mother on her B-2 visa due to COVID-19?

Yes, it is very viable to apply for an extension of your mothers visa given Covid. It is best to work with an attorney for such filing. Good luck!

My Sister's travel Visa to US got rejected

Your sister will need to apply for a tourist visa again as you will not be able to petition her with your status.

What steps should I do next k-1?

Did you ever meet in the last 2 years?

Yes she may given F2A final action dates assuming she is in valid status and will continue to maintain valid status.

What are the next steps if I have not received any update regarding the status of my I-130 application?

Best to contact USCIS directly for inquiries due to delays.

What are the obligations of the co sponsor for i130 petition for alien relative ? i mean do they have to put a bank guarantee?

Yes it appears you will need a cosignor and must still submit the I864.