green card through parents if u are over 21 wow same like gettig gc from brother if u were under 21 u will get within 9 months if u are applying gc from your brother it depends it might take 10 yrs there are like 11 million people pending in us who are being applied by brother sister parents, its like first come first serve, us gov process according to the date of your case recieved so u got wait untill everyone is done before u