How is it possible to obtain Green Card from non-immigrant F-1 visa. On what basis your brother and parents adjusted the status. Was it the employer, who petitioned later after the they got into OPT. Who sponsored for Green Card?
How to Qualify for CSPA?
1. If the petition (Form I-130, Petition for Alien Relative) was filed by a U.S. citizen parent for his or her child, the beneficiary’s age “freezes” on the date of filing.
2. If the petition (Form I-130) was filed by a permanent resident parent and the parent naturalizes before the beneficiary turns 21, the beneficiary’s age “freezes” on the date the petitioner naturalized.