Data in the Province files :
owner = ENG
controller = ENG
add_core = ENG
add_core = IND
After changing, Data in the Province files :
owner = IND
controller = ENG
add_core = ENG
add_core = IND
How to easily change. If you want to learn, you read this post.
Go to "provinces" folder in “C:\Program Files\Paradox Interactive\Hearts of Iron III\history\”.
Create a new folder and give name “1” (When you finished your work, you could delete "1" folder).
