m a btech(mechanical engg.) final year student. i want to go for mba-hr. i want to know which field in mba will be good for me(salary basis)

It would be better for you to find out your strengths and abilities and analyse which field in mba would be good for you. A stream pays more if and only if you are good at it, and that will depend on your interest and strengths. So chose a field wisely. Keep salary consideration aside for now. Your