What is the difference between Public admimistration from business administration and public management?

The difference between public administration and business administration is that the study of the latter focuses on for-profit, private sector management while the former is the study of non-profit and government management. The term "public management" might be viewed as analogous to "public administration".

public administraion means to administor the government organizations and private administration means to administor the private sector organization inother Words it also called business administration.