Hello,

MA in public administration is good course..there are so many subjects you have to study like law, economics, political science, english etc. I'll provide you some books name below

• Public administration by M. Lakshminath
• Administrative Thinker by D. Ravindra Prasad
• Public administration by Mohit Bhattacharjee

You can also buy each subject specific book by own preference.

All the best.