hi,

see bba in hotel management mainly focused on the managing a hotel includeds  fundamentals skills of management like organizing, directing, planning, and some computing skills to run a hotel business,

where bsc in hotel management includes topics of food processing, nutrition, accommodation operations, principle of food science, food beverage service etc.

bhm stands for bachelor in hotel management which comprises the syllabus of  fundamentals and different facets of the hospitality sector, catering technology.

see all of the course is good and have different job prospect, however if you have keen interest to work as an hotel manager then you should go for BHM course.