Once you change status to H1B, you must stop working for the STEM OPT employer. The STEM OPT and H1B employer can both start the PERM processing

The EB2 PD can be retained for the EB1 filing so you may apply for adjustment of status (GC application)

https://travel.state.gov/content/travel/en/us-visas/visa-information-resources/visa-expiration-date/auto-revalidate.html

https://travel.state.gov/content/travel/en/us-visas/visa-information-resources/nonimmigrants-present-visiting-canada-mexico.html

You cannot apply for employment authorization until the priority date of the I-130 becomes current. Unfortunately, sibling petitions currently take...

Marriage certificate from Bangladesh would work. She needs to document strong ties and intent to return to Bangladesh. Work with an immigration...

A green card holder can stay outside the US for 11 months but this generally breaks the continuity of residence required for US citizenship. Your...

In order to file a fiance petition, the petitioner needs to provide USCIS, among other things, proof of US citizenship such as a US birth...

Am I eligible to file for work authorization while process is pending? No, work authorization can only be applied for if AOS is filed once PD...

Do I need to provide the evidence of his birth certificate and name change again? No