Tyranny of extra classes

Our teachers would really do better as businessmen. Teachers in some educational institutions have come up with a highly profitable business plan: extra class. They say that to achieve good results, there is no other alternative but to attend the extra classes. And it has been made mandatory for all students to attend those classes. They are taking hefty payments from students for these extra classes. Do they not have any scruples left?
Kapil Dev Roy
Department of English
Dinajpur Govt. College