Hii,

BMS is bachelor's of management studies whereas BAF is bachelor's in accounting and financial subjects.

BAF bounds a candidates to finance and accounting only but BMS provides an open space to more option as well.

But salary wise BMS average salary ranges between 2.5L-3.0 per annum and BAF average salary ranges between 5L-5.5L per annum.

If you have great interest in financing and accounting then only go for BAF otherwise BMS is a better option.

I hope this helps.