Hey dear, bhms deals with study of homeopathic medicines and cure whereas bams deals with the study of ayurvedic medicines and cure. See, both the courses have their own importance in medical field so as far as scope is concerned both have scope, it depends on your choice in what field you want to study and make your career. And when it comes to jobs so i want to tell you that there are enormous jobs and even businesses that you can do after these courses which will reward you good amount of money.