prita7 - Nothing is in your favor since he is your brother and not parents. Few might give you suggestions to have his status change to F1 and become a student as you apply, that too will still take a long period of time, if you catch a lawyer who will try to take your money and try to promise you that he will get his green card in "years to come", but they wont give you the actual Yes/No but want your money. As average of 6-8yrs even 10 for siblings in any situation. I am not a lawyer and someone here in Sajha might be very intelligent to help you. But good luck! how old is your brother? GO ahead and still apply for him, but he will eventually have to return to Nepal since he is a visitor and his visa will expire and he will be illegal. Then it will make things worse in the future. Sorry it wasn't a good answer for you, but what I know is what I can share to my fellow friends from Nepal. Good Day!