It appears your employer has done nothing wrong. Registration period is not open now. Check with them at the beginning of March

Yes and also upload a copy to the CEAC system. Follow up periodically with the Embassy in Bangladesh on the status of case.

With an employment based green card you need to wait 4 years and 9 months to file for citizenship regardless of marital status.

The marriage care must be filed where the parties live as that is where you will accumulate Joint Evidence of marriage. The time varies from a few...

You wont be submitting I-864 to USCIS but rather to NVC. You will likely need an additional I-864 from a Co-sponsor.

You can fix at interview. There is no such date as 2/30 anyway. When you are called by officer ar interview explain the change you went to make...

Why wouldnt you answer yes and submit disposition? Do you want to risk them sending you a Requeet for it and delaying the long process any longer...

If priority date is unavailable at time of filing I-485 should be denied not admin closed and if so combo card not valid

Dont know why you submitted an I-90 form - that was not proper. I would get an adit stamp for pending I-751 since you mailed green card back and...

The visa application will ask where your immediate relatives are. When you tell the truth and disclose father is in US as an overstay the chances...