Process to reinstate greencard ?

Yes, your brother will have to start from the beginning. A green card is nullified by deportation/removal. In addition, a waiver of the deportation/removal would have to be approved if your brother has not been outside the US for the required period of time. Due to the limitations of the Lawyers.com Forums, Alan Lee, Esq.'s (the "Firm") participation in responding to questions posted herein does not constitute legal advice, nor legal representation of the person or entity posting a question. No Attorney/Client relationship is or shall be construed to be created hereby. The information provided herein by the Firm is general, and requires that the poster obtain specific legal advice from an attorney. The poster shall not rely upon the information provided herein as legal advice nor as the basis for making any decisions of legal consequence.