hi Rapolu Mansana 

you are saying about the fututre scope and salary of each of your mentioned courses .

for bsc clinical nutrition :

job opportunities 

researcher ,consultant,dietician ,food show host ,sports nutitionist,professor ,business developement researcher, administrative nutritionist etc 

salary is different for different job titles ,job of a professor is about 9-10 lacs per annum 

for bsc botany 

job opportunities :plant pathologist ,nursry manager, ecologist , plant explorer,conservationist etc

salary: salary vary for different job titles