the pla of Nepal are composed of different ethnic groups. female are also notably in large number . but the fighter class are mainly peoples from tharu,gurung,and chettries community.
The leader of the People's Liberation Army could be the newest president of China now. Most likely since the presidents are usually the commander in chief of an army.
It would depend on the type of war. Could India invade China successfully? I would say probably not. Could the Indian Army repel an invasion by the PLA. I would say probably yes.