I agree with you some what but it is the Pakistani government that calls the area "Azad" Kashmir.
Also the majority of Mirpuris are Punjabi i.e Jatts. Gakkars and Gujjars are not.
How many of these Biradri are in Central Punjab of India and Pakistan.
What do you mean Gujjars are not? They're not what? Punjabi?
No offence, but if that's what you mean, then you have no idea what you're talking about. Gujjars are probably the largest caste, by number, in West Punjab.