I am currently on my STEM OPT and on a leave out of states. DSO terminated my SEVIS by mistake and not taking the blame.

You seem to have due explanation; but, unfortunately, termination of SEVIS does not sound good unless reinstatement is immediately filed. You must...

Looks like the case was approved for filing. However, regarding mailing of document may be in reference to what was filed (EAD/GC)? You need to...

Can I use my Mexican and US passport during a trip to China (PRC)?

My understanding, you may have surrendered/relinquished your prior nationality when acquiring US Citizenship. So, technically, you may not be...

Need help understanding I-485?

Have patience; sometimes online information overlap. You may receive card in the mail. Best wishes,

I read couple of days ago that the current administration is working towards revoking STEM OPT program ? ?

Haven't heard anything like this; but, if the program is abolished USICS will publish guidelines. Also, you may consult the international office...

Where to apply for F2 visa?and what is required?

In your case, I believe, you may apply at the US Embassy in Qatar or your spouse may apply for you in the US and the case - upon approval - will be...

Can I travel outside the US with OPT EAD card but expired visa?

Not advised; you need valid visa to return. Consult an immigration attorney before you make any plans. Best wishes,

Yes and yes; but, understand, you cannot have two nonimmigrant vis status at the same time. You have to choose one. Best wishes,

I am currently on H1B visa and I am marrying a US Citizen who was born in Nepal since I am from India? ?

I agree with my colleagues and advise to proceed with the marriage case. You may get your GC within 6/8 months (if processed properly). Best...

Please see: https://egov.uscis.gov/cris/processingTimesDisplay.do;jsessionid=abcn-Ov7kHKQMc-sJcF9v Best wishes,