ustadamirkhan Make sure she is ready for the marriage. The process is very easy. For you to get the Work permit it takes about Six months and if you would like the travel to nepal you can do that by applying for travel document which cost you money but you can get it right after you get your work permit. Getting a Green card takes about 1 yrs - 1.5 yrs depending on how many applicant are there and you have to face an interview.