hey just get married certificate from nepal your wife will not get visa to come to america because us ambassy of nepal doesnt issue immigrant visas so u have to come to us and appl;y for her it gonna take like 9 months, u have to apply I-130 form if u want to bring your wife within 4 months them u have to apply I-129F after I310 get approved your wife will not get visa even u are us citizen i am 100%sure